42687891

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{11213}}^1$

素因数の和:11272

約数の個数: 20

約数和(自身を含む): 65130912

約数和(自身を除く): 22443021

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 11213, 33639, 100917, 302751, 527011, 908253, 1581033, 4743099, 14229297, 42687891]

約数ペア:

[(1, 42687891), (3, 14229297), (9, 4743099), (27, 1581033), (47, 908253), (81, 527011), (141, 302751), (423, 100917), (1269, 33639), (3807, 11213)]