17887701

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 26720512

約数和(自身を除く): 8832811

約数列:

[1, 3, 13, 39, 61, 73, 103, 183, 219, 309, 793, 949, 1339, 2379, 2847, 4017, 4453, 6283, 7519, 13359, 18849, 22557, 57889, 81679, 97747, 173667, 245037, 293241, 458659, 1375977, 5962567, 17887701]

約数ペア:

[(1, 17887701), (3, 5962567), (13, 1375977), (39, 458659), (61, 293241), (73, 245037), (103, 173667), (183, 97747), (219, 81679), (309, 57889), (793, 22557), (949, 18849), (1339, 13359), (2379, 7519), (2847, 6283), (4017, 4453)]