81101405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11087}}^1$

素因数の和:11129

約数の個数: 32

約数和(自身を含む): 127733760

約数和(自身を除く): 46632355

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 11087, 55435, 77609, 121957, 210653, 388045, 609785, 853699, 1053265, 1474571, 2317183, 4268495, 7372855, 11585915, 16220281, 81101405]

約数ペア:

[(1, 81101405), (5, 16220281), (7, 11585915), (11, 7372855), (19, 4268495), (35, 2317183), (55, 1474571), (77, 1053265), (95, 853699), (133, 609785), (209, 388045), (385, 210653), (665, 121957), (1045, 77609), (1463, 55435), (7315, 11087)]