31635149

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 40830720

約数和(自身を除く): 9195571

約数列:

[1, 7, 13, 41, 61, 91, 139, 287, 427, 533, 793, 973, 1807, 2501, 3731, 5551, 5699, 8479, 12649, 17507, 32513, 39893, 59353, 74087, 110227, 227591, 347639, 518609, 771589, 2433473, 4519307, 31635149]

約数ペア:

[(1, 31635149), (7, 4519307), (13, 2433473), (41, 771589), (61, 518609), (91, 347639), (139, 227591), (287, 110227), (427, 74087), (533, 59353), (793, 39893), (973, 32513), (1807, 17507), (2501, 12649), (3731, 8479), (5551, 5699)]