31421079

素因数分解:

$3^2\times {\mathrm{19}}^3\times {\mathrm{509}}^1$

素因数の和:572

約数の個数: 24

約数和(自身を含む): 48001200

約数和(自身を除く): 16580121

約数列:

[1, 3, 9, 19, 57, 171, 361, 509, 1083, 1527, 3249, 4581, 6859, 9671, 20577, 29013, 61731, 87039, 183749, 551247, 1653741, 3491231, 10473693, 31421079]

約数ペア:

[(1, 31421079), (3, 10473693), (9, 3491231), (19, 1653741), (57, 551247), (171, 183749), (361, 87039), (509, 61731), (1083, 29013), (1527, 20577), (3249, 9671), (4581, 6859)]