217647573

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8317}}^1$

素因数の和:8405

約数の個数: 32

約数和(自身を含む): 346561152

約数和(自身を除く): 128913579

約数列:

[1, 3, 11, 13, 33, 39, 61, 143, 183, 429, 671, 793, 2013, 2379, 8317, 8723, 24951, 26169, 91487, 108121, 274461, 324363, 507337, 1189331, 1522011, 3567993, 5580707, 6595381, 16742121, 19786143, 72549191, 217647573]

約数ペア:

[(1, 217647573), (3, 72549191), (11, 19786143), (13, 16742121), (33, 6595381), (39, 5580707), (61, 3567993), (143, 1522011), (183, 1189331), (429, 507337), (671, 324363), (793, 274461), (2013, 108121), (2379, 91487), (8317, 26169), (8723, 24951)]