78840285

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3943}}^1$

素因数の和:4025

約数の個数: 32

約数和(自身を含む): 133275648

約数和(自身を除く): 54435363

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1333, 3943, 3999, 6665, 11829, 19715, 19995, 59145, 122233, 169549, 366699, 508647, 611165, 847745, 1833495, 2543235, 5256019, 15768057, 26280095, 78840285]

約数ペア:

[(1, 78840285), (3, 26280095), (5, 15768057), (15, 5256019), (31, 2543235), (43, 1833495), (93, 847745), (129, 611165), (155, 508647), (215, 366699), (465, 169549), (645, 122233), (1333, 59145), (3943, 19995), (3999, 19715), (6665, 11829)]