71225721

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12703}}^1$

素因数の和:12805

約数の個数: 24

約数和(自身を含む): 118909440

約数和(自身を除く): 47683719

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 12703, 38109, 88921, 114327, 266763, 800289, 1130567, 3391701, 7913969, 10175103, 23741907, 71225721]

約数ペア:

[(1, 71225721), (3, 23741907), (7, 10175103), (9, 7913969), (21, 3391701), (63, 1130567), (89, 800289), (267, 266763), (623, 114327), (801, 88921), (1869, 38109), (5607, 12703)]