71379981

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{56249}}^1$

素因数の和:56305

約数の個数: 16

約数和(自身を含む): 108000000

約数和(自身を除く): 36620019

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 56249, 168747, 506241, 1518723, 2643703, 7931109, 23793327, 71379981]

約数ペア:

[(1, 71379981), (3, 23793327), (9, 7931109), (27, 2643703), (47, 1518723), (141, 506241), (423, 168747), (1269, 56249)]