820831921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{5099}}^1$

素因数の和:5209

約数の個数: 32

約数和(自身を含む): 1062432000

約数和(自身を除く): 241600079

約数列:

[1, 7, 13, 29, 61, 91, 203, 377, 427, 793, 1769, 2639, 5099, 5551, 12383, 22997, 35693, 66287, 147871, 160979, 311039, 464009, 1035097, 1922323, 2177273, 4043507, 9020131, 13456261, 28304549, 63140917, 117261703, 820831921]

約数ペア:

[(1, 820831921), (7, 117261703), (13, 63140917), (29, 28304549), (61, 13456261), (91, 9020131), (203, 4043507), (377, 2177273), (427, 1922323), (793, 1035097), (1769, 464009), (2639, 311039), (5099, 160979), (5551, 147871), (12383, 66287), (22997, 35693)]