65405961

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{42499}}^1$

素因数の和:42530

約数の個数: 20

約数和(自身を含む): 102850000

約数和(自身を除く): 37444039

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 42499, 127497, 382491, 807481, 1147473, 2422443, 3442419, 7267329, 21801987, 65405961]

約数ペア:

[(1, 65405961), (3, 21801987), (9, 7267329), (19, 3442419), (27, 2422443), (57, 1147473), (81, 807481), (171, 382491), (513, 127497), (1539, 42499)]