2139525

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 36

約数和(自身を含む): 3951012

約数和(自身を除く): 1811487

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 257, 333, 555, 771, 925, 1285, 1665, 2313, 2775, 3855, 6425, 8325, 9509, 11565, 19275, 28527, 47545, 57825, 85581, 142635, 237725, 427905, 713175, 2139525]

約数ペア:

[(1, 2139525), (3, 713175), (5, 427905), (9, 237725), (15, 142635), (25, 85581), (37, 57825), (45, 47545), (75, 28527), (111, 19275), (185, 11565), (225, 9509), (257, 8325), (333, 6425), (555, 3855), (771, 2775), (925, 2313), (1285, 1665)]