51561609

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 77884800

約数和(自身を除く): 26323191

約数列:

[1, 3, 11, 33, 37, 111, 121, 349, 363, 407, 1047, 1221, 1331, 3839, 3993, 4477, 11517, 12913, 13431, 38739, 42229, 49247, 126687, 142043, 147741, 426129, 464519, 1393557, 1562473, 4687419, 17187203, 51561609]

約数ペア:

[(1, 51561609), (3, 17187203), (11, 4687419), (33, 1562473), (37, 1393557), (111, 464519), (121, 426129), (349, 147741), (363, 142043), (407, 126687), (1047, 49247), (1221, 42229), (1331, 38739), (3839, 13431), (3993, 12913), (4477, 11517)]