131421528

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{4139}}^1$

素因数の和:4171

約数の個数: 120

約数和(自身を含む): 428303700

約数和(自身を除く): 296882172

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 81, 84, 98, 108, 126, 147, 162, 168, 189, 196, 216, 252, 294, 324, 378, 392, 441, 504, 567, 588, 648, 756, 882, 1134, 1176, 1323, 1512, 1764, 2268, 2646, 3528, 3969, 4139, 4536, 5292, 7938, 8278, 10584, 12417, 15876, 16556, 24834, 28973, 31752, 33112, 37251, 49668, 57946, 74502, 86919, 99336, 111753, 115892, 149004, 173838, 202811, 223506, 231784, 260757, 298008, 335259, 347676, 405622, 447012, 521514, 608433, 670518, 695352, 782271, 811244, 894024, 1043028, 1216866, 1341036, 1564542, 1622488, 1825299, 2086056, 2346813, 2433732, 2682072, 3129084, 3650598, 4693626, 4867464, 5475897, 6258168, 7301196, 9387252, 10951794, 14602392, 16427691, 18774504, 21903588, 32855382, 43807176, 65710764, 131421528]

約数ペア:

[(1, 131421528), (2, 65710764), (3, 43807176), (4, 32855382), (6, 21903588), (7, 18774504), (8, 16427691), (9, 14602392), (12, 10951794), (14, 9387252), (18, 7301196), (21, 6258168), (24, 5475897), (27, 4867464), (28, 4693626), (36, 3650598), (42, 3129084), (49, 2682072), (54, 2433732), (56, 2346813), (63, 2086056), (72, 1825299), (81, 1622488), (84, 1564542), (98, 1341036), (108, 1216866), (126, 1043028), (147, 894024), (162, 811244), (168, 782271), (189, 695352), (196, 670518), (216, 608433), (252, 521514), (294, 447012), (324, 405622), (378, 347676), (392, 335259), (441, 298008), (504, 260757), (567, 231784), (588, 223506), (648, 202811), (756, 173838), (882, 149004), (1134, 115892), (1176, 111753), (1323, 99336), (1512, 86919), (1764, 74502), (2268, 57946), (2646, 49668), (3528, 37251), (3969, 33112), (4139, 31752), (4536, 28973), (5292, 24834), (7938, 16556), (8278, 15876), (10584, 12417)]