71308917

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{18731}}^1$

素因数の和:18790

約数の個数: 20

約数和(自身を含む): 108795456

約数和(自身を除く): 37486539

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 18731, 56193, 168579, 505737, 880357, 1517211, 2641071, 7923213, 23769639, 71308917]

約数ペア:

[(1, 71308917), (3, 23769639), (9, 7923213), (27, 2641071), (47, 1517211), (81, 880357), (141, 505737), (423, 168579), (1269, 56193), (3807, 18731)]