71561961

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{46499}}^1$

素因数の和:46530

約数の個数: 20

約数和(自身を含む): 112530000

約数和(自身を除く): 40968039

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 46499, 139497, 418491, 883481, 1255473, 2650443, 3766419, 7951329, 23853987, 71561961]

約数ペア:

[(1, 71561961), (3, 23853987), (9, 7951329), (19, 3766419), (27, 2650443), (57, 1255473), (81, 883481), (171, 418491), (513, 139497), (1539, 46499)]