247290525

素因数分解:

$3^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{6353}}^1$

素因数の和:6542

約数の個数: 36

約数和(自身を含む): 445555188

約数和(自身を除く): 198264663

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 173, 225, 519, 865, 1557, 2595, 4325, 6353, 7785, 12975, 19059, 31765, 38925, 57177, 95295, 158825, 285885, 476475, 1099069, 1429425, 3297207, 5495345, 9891621, 16486035, 27476725, 49458105, 82430175, 247290525]

約数ペア:

[(1, 247290525), (3, 82430175), (5, 49458105), (9, 27476725), (15, 16486035), (25, 9891621), (45, 5495345), (75, 3297207), (173, 1429425), (225, 1099069), (519, 476475), (865, 285885), (1557, 158825), (2595, 95295), (4325, 57177), (6353, 38925), (7785, 31765), (12975, 19059)]