17873895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 31256064

約数和(自身を除く): 13382169

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 923, 1065, 1291, 2769, 3873, 4615, 6455, 13845, 16783, 19365, 50349, 83915, 91661, 251745, 274983, 458305, 1191593, 1374915, 3574779, 5957965, 17873895]

約数ペア:

[(1, 17873895), (3, 5957965), (5, 3574779), (13, 1374915), (15, 1191593), (39, 458305), (65, 274983), (71, 251745), (195, 91661), (213, 83915), (355, 50349), (923, 19365), (1065, 16783), (1291, 13845), (2769, 6455), (3873, 4615)]