218971575

素因数分解:

$3^2\times 5^2\times {\mathrm{773}}^1\times {\mathrm{1259}}^1$

素因数の和:2048

約数の個数: 36

約数和(自身を含む): 393021720

約数和(自身を除く): 174050145

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 773, 1259, 2319, 3777, 3865, 6295, 6957, 11331, 11595, 18885, 19325, 31475, 34785, 56655, 57975, 94425, 173925, 283275, 973207, 2919621, 4866035, 8758863, 14598105, 24330175, 43794315, 72990525, 218971575]

約数ペア:

[(1, 218971575), (3, 72990525), (5, 43794315), (9, 24330175), (15, 14598105), (25, 8758863), (45, 4866035), (75, 2919621), (225, 973207), (773, 283275), (1259, 173925), (2319, 94425), (3777, 57975), (3865, 56655), (6295, 34785), (6957, 31475), (11331, 19325), (11595, 18885)]