12821277

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 20793600

約数和(自身を除く): 7972323

約数列:

[1, 3, 7, 21, 29, 37, 87, 111, 203, 259, 569, 609, 777, 1073, 1707, 3219, 3983, 7511, 11949, 16501, 21053, 22533, 49503, 63159, 115507, 147371, 346521, 442113, 610537, 1831611, 4273759, 12821277]

約数ペア:

[(1, 12821277), (3, 4273759), (7, 1831611), (21, 610537), (29, 442113), (37, 346521), (87, 147371), (111, 115507), (203, 63159), (259, 49503), (569, 22533), (609, 21053), (777, 16501), (1073, 11949), (1707, 7511), (3219, 3983)]