79915521

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 132871104

約数和(自身を除く): 52955583

約数列:

[1, 3, 7, 17, 21, 49, 51, 113, 119, 147, 283, 339, 357, 791, 833, 849, 1921, 1981, 2373, 2499, 4811, 5537, 5763, 5943, 13447, 13867, 14433, 16611, 31979, 33677, 40341, 41601, 94129, 95937, 101031, 223853, 235739, 282387, 543643, 671559, 707217, 1566971, 1630929, 3805501, 4700913, 11416503, 26638507, 79915521]

約数ペア:

[(1, 79915521), (3, 26638507), (7, 11416503), (17, 4700913), (21, 3805501), (49, 1630929), (51, 1566971), (113, 707217), (119, 671559), (147, 543643), (283, 282387), (339, 235739), (357, 223853), (791, 101031), (833, 95937), (849, 94129), (1921, 41601), (1981, 40341), (2373, 33677), (2499, 31979), (4811, 16611), (5537, 14433), (5763, 13867), (5943, 13447)]