244996875

素因数分解:

$3^2\times 5^5\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 458220672

約数和(自身を除く): 213223797

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 125, 155, 225, 279, 281, 375, 465, 625, 775, 843, 1125, 1395, 1405, 1875, 2325, 2529, 3125, 3875, 4215, 5625, 6975, 7025, 8711, 9375, 11625, 12645, 19375, 21075, 26133, 28125, 34875, 35125, 43555, 58125, 63225, 78399, 96875, 105375, 130665, 174375, 175625, 217775, 290625, 316125, 391995, 526875, 653325, 871875, 878125, 1088875, 1580625, 1959975, 2634375, 3266625, 5444375, 7903125, 9799875, 16333125, 27221875, 48999375, 81665625, 244996875]

約数ペア:

[(1, 244996875), (3, 81665625), (5, 48999375), (9, 27221875), (15, 16333125), (25, 9799875), (31, 7903125), (45, 5444375), (75, 3266625), (93, 2634375), (125, 1959975), (155, 1580625), (225, 1088875), (279, 878125), (281, 871875), (375, 653325), (465, 526875), (625, 391995), (775, 316125), (843, 290625), (1125, 217775), (1395, 175625), (1405, 174375), (1875, 130665), (2325, 105375), (2529, 96875), (3125, 78399), (3875, 63225), (4215, 58125), (5625, 43555), (6975, 35125), (7025, 34875), (8711, 28125), (9375, 26133), (11625, 21075), (12645, 19375)]