255047025

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 439704000

約数和(自身を除く): 184656975

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 149, 435, 447, 725, 745, 787, 2175, 2235, 2361, 3725, 3935, 4321, 11175, 11805, 12963, 19675, 21605, 22823, 59025, 64815, 68469, 108025, 114115, 117263, 324075, 342345, 351789, 570575, 586315, 1711725, 1758945, 2931575, 3400627, 8794725, 10201881, 17003135, 51009405, 85015675, 255047025]

約数ペア:

[(1, 255047025), (3, 85015675), (5, 51009405), (15, 17003135), (25, 10201881), (29, 8794725), (75, 3400627), (87, 2931575), (145, 1758945), (149, 1711725), (435, 586315), (447, 570575), (725, 351789), (745, 342345), (787, 324075), (2175, 117263), (2235, 114115), (2361, 108025), (3725, 68469), (3935, 64815), (4321, 59025), (11175, 22823), (11805, 21605), (12963, 19675)]