7970625

素因数分解:

$3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:148

約数の個数: 60

約数和(自身を含む): 15635620

約数和(自身を除く): 7664995

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 109, 117, 125, 195, 225, 325, 327, 375, 545, 585, 625, 975, 981, 1125, 1417, 1625, 1635, 1875, 2725, 2925, 4251, 4875, 4905, 5625, 7085, 8125, 8175, 12753, 13625, 14625, 21255, 24375, 24525, 35425, 40875, 63765, 68125, 73125, 106275, 122625, 177125, 204375, 318825, 531375, 613125, 885625, 1594125, 2656875, 7970625]

約数ペア:

[(1, 7970625), (3, 2656875), (5, 1594125), (9, 885625), (13, 613125), (15, 531375), (25, 318825), (39, 204375), (45, 177125), (65, 122625), (75, 106275), (109, 73125), (117, 68125), (125, 63765), (195, 40875), (225, 35425), (325, 24525), (327, 24375), (375, 21255), (545, 14625), (585, 13625), (625, 12753), (975, 8175), (981, 8125), (1125, 7085), (1417, 5625), (1625, 4905), (1635, 4875), (1875, 4251), (2725, 2925)]