2773125

素因数分解:

$3^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:72

約数の個数: 60

約数和(自身を含む): 5482620

約数和(自身を除く): 2709495

約数列:

[1, 3, 5, 9, 15, 17, 25, 29, 45, 51, 75, 85, 87, 125, 145, 153, 225, 255, 261, 375, 425, 435, 493, 625, 725, 765, 1125, 1275, 1305, 1479, 1875, 2125, 2175, 2465, 3625, 3825, 4437, 5625, 6375, 6525, 7395, 10625, 10875, 12325, 18125, 19125, 22185, 31875, 32625, 36975, 54375, 61625, 95625, 110925, 163125, 184875, 308125, 554625, 924375, 2773125]

約数ペア:

[(1, 2773125), (3, 924375), (5, 554625), (9, 308125), (15, 184875), (17, 163125), (25, 110925), (29, 95625), (45, 61625), (51, 54375), (75, 36975), (85, 32625), (87, 31875), (125, 22185), (145, 19125), (153, 18125), (225, 12325), (255, 10875), (261, 10625), (375, 7395), (425, 6525), (435, 6375), (493, 5625), (625, 4437), (725, 3825), (765, 3625), (1125, 2465), (1275, 2175), (1305, 2125), (1479, 1875)]