72961239

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 108317440

約数和(自身を除く): 35356201

約数列:

[1, 3, 13, 39, 43, 129, 139, 313, 417, 559, 939, 1677, 1807, 4069, 5421, 5977, 12207, 13459, 17931, 40377, 43507, 77701, 130521, 174967, 233103, 524901, 565591, 1696773, 1870801, 5612403, 24320413, 72961239]

約数ペア:

[(1, 72961239), (3, 24320413), (13, 5612403), (39, 1870801), (43, 1696773), (129, 565591), (139, 524901), (313, 233103), (417, 174967), (559, 130521), (939, 77701), (1677, 43507), (1807, 40377), (4069, 17931), (5421, 13459), (5977, 12207)]