1621305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{5147}}^1$

素因数の和:5165

約数の個数: 24

約数和(自身を含む): 3212352

約数和(自身を除く): 1591047

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 5147, 15441, 25735, 36029, 46323, 77205, 108087, 180145, 231615, 324261, 540435, 1621305]

約数ペア:

[(1, 1621305), (3, 540435), (5, 324261), (7, 231615), (9, 180145), (15, 108087), (21, 77205), (35, 46323), (45, 36029), (63, 25735), (105, 15441), (315, 5147)]