31175172

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 96909120

約数和(自身を除く): 65733948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 49, 54, 63, 84, 86, 98, 108, 126, 129, 137, 147, 172, 189, 196, 252, 258, 274, 294, 301, 378, 387, 411, 441, 516, 548, 588, 602, 756, 774, 822, 882, 903, 959, 1161, 1204, 1233, 1323, 1548, 1644, 1764, 1806, 1918, 2107, 2322, 2466, 2646, 2709, 2877, 3612, 3699, 3836, 4214, 4644, 4932, 5292, 5418, 5754, 5891, 6321, 6713, 7398, 8127, 8428, 8631, 10836, 11508, 11782, 12642, 13426, 14796, 16254, 17262, 17673, 18963, 20139, 23564, 25284, 25893, 26852, 32508, 34524, 35346, 37926, 40278, 41237, 51786, 53019, 56889, 60417, 70692, 75852, 80556, 82474, 103572, 106038, 113778, 120834, 123711, 159057, 164948, 181251, 212076, 227556, 241668, 247422, 288659, 318114, 362502, 371133, 494844, 577318, 636228, 725004, 742266, 865977, 1113399, 1154636, 1484532, 1731954, 2226798, 2597931, 3463908, 4453596, 5195862, 7793793, 10391724, 15587586, 31175172]

約数ペア:

[(1, 31175172), (2, 15587586), (3, 10391724), (4, 7793793), (6, 5195862), (7, 4453596), (9, 3463908), (12, 2597931), (14, 2226798), (18, 1731954), (21, 1484532), (27, 1154636), (28, 1113399), (36, 865977), (42, 742266), (43, 725004), (49, 636228), (54, 577318), (63, 494844), (84, 371133), (86, 362502), (98, 318114), (108, 288659), (126, 247422), (129, 241668), (137, 227556), (147, 212076), (172, 181251), (189, 164948), (196, 159057), (252, 123711), (258, 120834), (274, 113778), (294, 106038), (301, 103572), (378, 82474), (387, 80556), (411, 75852), (441, 70692), (516, 60417), (548, 56889), (588, 53019), (602, 51786), (756, 41237), (774, 40278), (822, 37926), (882, 35346), (903, 34524), (959, 32508), (1161, 26852), (1204, 25893), (1233, 25284), (1323, 23564), (1548, 20139), (1644, 18963), (1764, 17673), (1806, 17262), (1918, 16254), (2107, 14796), (2322, 13426), (2466, 12642), (2646, 11782), (2709, 11508), (2877, 10836), (3612, 8631), (3699, 8428), (3836, 8127), (4214, 7398), (4644, 6713), (4932, 6321), (5292, 5891), (5418, 5754)]