131225724

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 400851360

約数和(自身を除く): 269625636

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 137, 147, 181, 189, 196, 252, 274, 294, 362, 378, 411, 441, 543, 548, 588, 724, 756, 822, 882, 959, 1086, 1233, 1267, 1323, 1629, 1644, 1764, 1918, 2172, 2466, 2534, 2646, 2877, 3258, 3699, 3801, 3836, 4887, 4932, 5068, 5292, 5754, 6516, 6713, 7398, 7602, 8631, 8869, 9774, 11403, 11508, 13426, 14796, 15204, 17262, 17738, 19548, 20139, 22806, 24797, 25893, 26607, 26852, 34209, 34524, 35476, 40278, 45612, 49594, 51786, 53214, 60417, 68418, 74391, 79821, 80556, 99188, 103572, 106428, 120834, 136836, 148782, 159642, 173579, 181251, 223173, 239463, 241668, 297564, 319284, 347158, 362502, 446346, 478926, 520737, 669519, 694316, 725004, 892692, 957852, 1041474, 1215053, 1339038, 1562211, 2082948, 2430106, 2678076, 3124422, 3645159, 4686633, 4860212, 6248844, 7290318, 9373266, 10935477, 14580636, 18746532, 21870954, 32806431, 43741908, 65612862, 131225724]

約数ペア:

[(1, 131225724), (2, 65612862), (3, 43741908), (4, 32806431), (6, 21870954), (7, 18746532), (9, 14580636), (12, 10935477), (14, 9373266), (18, 7290318), (21, 6248844), (27, 4860212), (28, 4686633), (36, 3645159), (42, 3124422), (49, 2678076), (54, 2430106), (63, 2082948), (84, 1562211), (98, 1339038), (108, 1215053), (126, 1041474), (137, 957852), (147, 892692), (181, 725004), (189, 694316), (196, 669519), (252, 520737), (274, 478926), (294, 446346), (362, 362502), (378, 347158), (411, 319284), (441, 297564), (543, 241668), (548, 239463), (588, 223173), (724, 181251), (756, 173579), (822, 159642), (882, 148782), (959, 136836), (1086, 120834), (1233, 106428), (1267, 103572), (1323, 99188), (1629, 80556), (1644, 79821), (1764, 74391), (1918, 68418), (2172, 60417), (2466, 53214), (2534, 51786), (2646, 49594), (2877, 45612), (3258, 40278), (3699, 35476), (3801, 34524), (3836, 34209), (4887, 26852), (4932, 26607), (5068, 25893), (5292, 24797), (5754, 22806), (6516, 20139), (6713, 19548), (7398, 17738), (7602, 17262), (8631, 15204), (8869, 14796), (9774, 13426), (11403, 11508)]