71970561

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19843}}^1$

素因数の和:19893

約数の個数: 24

約数和(自身を含む): 115571456

約数和(自身を除く): 43600895

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 19843, 59529, 178587, 257959, 615133, 773877, 1845399, 2321631, 5536197, 7996729, 23990187, 71970561]

約数ペア:

[(1, 71970561), (3, 23990187), (9, 7996729), (13, 5536197), (31, 2321631), (39, 1845399), (93, 773877), (117, 615133), (279, 257959), (403, 178587), (1209, 59529), (3627, 19843)]