2021621433

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{31397}}^1$

素因数の和:31553

約数の個数: 24

約数和(自身を含む): 2941867008

約数和(自身を除く): 920245575

約数列:

[1, 3, 13, 39, 127, 169, 381, 507, 1651, 4953, 21463, 31397, 64389, 94191, 408161, 1224483, 3987419, 5306093, 11962257, 15918279, 51836447, 155509341, 673873811, 2021621433]

約数ペア:

[(1, 2021621433), (3, 673873811), (13, 155509341), (39, 51836447), (127, 15918279), (169, 11962257), (381, 5306093), (507, 3987419), (1651, 1224483), (4953, 408161), (21463, 94191), (31397, 64389)]