257778825

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{5153}}^1$

素因数の和:5218

約数の個数: 48

約数和(自身を含む): 460149120

約数和(自身を除く): 202370295

約数列:

[1, 3, 5, 15, 23, 25, 29, 69, 75, 87, 115, 145, 345, 435, 575, 667, 725, 1725, 2001, 2175, 3335, 5153, 10005, 15459, 16675, 25765, 50025, 77295, 118519, 128825, 149437, 355557, 386475, 448311, 592595, 747185, 1777785, 2241555, 2962975, 3437051, 3735925, 8888925, 10311153, 11207775, 17185255, 51555765, 85926275, 257778825]

約数ペア:

[(1, 257778825), (3, 85926275), (5, 51555765), (15, 17185255), (23, 11207775), (25, 10311153), (29, 8888925), (69, 3735925), (75, 3437051), (87, 2962975), (115, 2241555), (145, 1777785), (345, 747185), (435, 592595), (575, 448311), (667, 386475), (725, 355557), (1725, 149437), (2001, 128825), (2175, 118519), (3335, 77295), (5153, 50025), (10005, 25765), (15459, 16675)]