131309514

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{53}}^3$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 337318020

約数和(自身を除く): 206008506

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 53, 63, 98, 106, 126, 147, 159, 294, 318, 371, 441, 477, 742, 882, 954, 1113, 2226, 2597, 2809, 3339, 5194, 5618, 6678, 7791, 8427, 15582, 16854, 19663, 23373, 25281, 39326, 46746, 50562, 58989, 117978, 137641, 148877, 176967, 275282, 297754, 353934, 412923, 446631, 825846, 893262, 1042139, 1238769, 1339893, 2084278, 2477538, 2679786, 3126417, 6252834, 7294973, 9379251, 14589946, 18758502, 21884919, 43769838, 65654757, 131309514]

約数ペア:

[(1, 131309514), (2, 65654757), (3, 43769838), (6, 21884919), (7, 18758502), (9, 14589946), (14, 9379251), (18, 7294973), (21, 6252834), (42, 3126417), (49, 2679786), (53, 2477538), (63, 2084278), (98, 1339893), (106, 1238769), (126, 1042139), (147, 893262), (159, 825846), (294, 446631), (318, 412923), (371, 353934), (441, 297754), (477, 275282), (742, 176967), (882, 148877), (954, 137641), (1113, 117978), (2226, 58989), (2597, 50562), (2809, 46746), (3339, 39326), (5194, 25281), (5618, 23373), (6678, 19663), (7791, 16854), (8427, 15582)]