7138521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 12199824

約数和(自身を除く): 5061303

約数列:

[1, 3, 9, 13, 17, 37, 39, 51, 97, 111, 117, 153, 221, 291, 333, 481, 629, 663, 873, 1261, 1443, 1649, 1887, 1989, 3589, 3783, 4329, 4947, 5661, 8177, 10767, 11349, 14841, 21437, 24531, 32301, 46657, 61013, 64311, 73593, 139971, 183039, 192933, 419913, 549117, 793169, 2379507, 7138521]

約数ペア:

[(1, 7138521), (3, 2379507), (9, 793169), (13, 549117), (17, 419913), (37, 192933), (39, 183039), (51, 139971), (97, 73593), (111, 64311), (117, 61013), (153, 46657), (221, 32301), (291, 24531), (333, 21437), (481, 14841), (629, 11349), (663, 10767), (873, 8177), (1261, 5661), (1443, 4947), (1649, 4329), (1887, 3783), (1989, 3589)]