20170409427

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2481901}}^1$

素因数の和:2481960

約数の個数: 32

約数和(自身を含む): 34945180160

約数和(自身を除く): 14774770733

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 2481901, 7445703, 17373307, 22337109, 52119921, 67011327, 106721743, 156359763, 320165229, 469079289, 747052201, 960495687, 2241156603, 2881487061, 6723469809, 20170409427]

約数ペア:

[(1, 20170409427), (3, 6723469809), (7, 2881487061), (9, 2241156603), (21, 960495687), (27, 747052201), (43, 469079289), (63, 320165229), (129, 156359763), (189, 106721743), (301, 67011327), (387, 52119921), (903, 22337109), (1161, 17373307), (2709, 7445703), (8127, 2481901)]