138788385

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{677}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 226506240

約数和(自身を除く): 87717855

約数列:

[1, 3, 5, 15, 79, 173, 237, 395, 519, 677, 865, 1185, 2031, 2595, 3385, 10155, 13667, 41001, 53483, 68335, 117121, 160449, 205005, 267415, 351363, 585605, 802245, 1756815, 9252559, 27757677, 46262795, 138788385]

約数ペア:

[(1, 138788385), (3, 46262795), (5, 27757677), (15, 9252559), (79, 1756815), (173, 802245), (237, 585605), (395, 351363), (519, 267415), (677, 205005), (865, 160449), (1185, 117121), (2031, 68335), (2595, 53483), (3385, 41001), (10155, 13667)]