1621900826055

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1\times {\mathrm{248981}}^1$

素因数の和:249729

約数の個数: 64

約数和(自身を含む): 2927311251840

約数和(自身を除く): 1305410425785

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 661, 1095, 1971, 1983, 3285, 3305, 5949, 9855, 9915, 17847, 29745, 48253, 89235, 144759, 241265, 248981, 434277, 723795, 746943, 1244905, 1302831, 2171385, 2240829, 3734715, 6514155, 6722487, 11204145, 18175613, 33612435, 54526839, 90878065, 163580517, 164576441, 272634195, 490741551, 493729323, 817902585, 822882205, 1481187969, 2453707755, 2468646615, 4443563907, 7405939845, 12014080193, 22217819535, 36042240579, 60070400965, 108126721737, 180211202895, 324380165211, 540633608685, 1621900826055]

約数ペア:

[(1, 1621900826055), (3, 540633608685), (5, 324380165211), (9, 180211202895), (15, 108126721737), (27, 60070400965), (45, 36042240579), (73, 22217819535), (135, 12014080193), (219, 7405939845), (365, 4443563907), (657, 2468646615), (661, 2453707755), (1095, 1481187969), (1971, 822882205), (1983, 817902585), (3285, 493729323), (3305, 490741551), (5949, 272634195), (9855, 164576441), (9915, 163580517), (17847, 90878065), (29745, 54526839), (48253, 33612435), (89235, 18175613), (144759, 11204145), (241265, 6722487), (248981, 6514155), (434277, 3734715), (723795, 2240829), (746943, 2171385), (1244905, 1302831)]