53381421

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 78886080

約数和(自身を除く): 25504659

約数列:

[1, 3, 9, 71, 139, 213, 417, 601, 639, 1251, 1803, 5409, 9869, 29607, 42671, 83539, 88821, 128013, 250617, 384039, 751851, 5931269, 17793807, 53381421]

約数ペア:

[(1, 53381421), (3, 17793807), (9, 5931269), (71, 751851), (139, 384039), (213, 250617), (417, 128013), (601, 88821), (639, 83539), (1251, 42671), (1803, 29607), (5409, 9869)]