1640541651

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1905391}}^1$

素因数の和:1905442

約数の個数: 16

約数和(自身を含む): 2560846848

約数和(自身を除く): 920305197

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1905391, 5716173, 13337737, 40013211, 78121031, 234363093, 546847217, 1640541651]

約数ペア:

[(1, 1640541651), (3, 546847217), (7, 234363093), (21, 78121031), (41, 40013211), (123, 13337737), (287, 5716173), (861, 1905391)]