54984375

素因数分解:

$3^2\times 5^6\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:76

約数の個数: 84

約数和(自身を含む): 109686096

約数和(自身を除く): 54701721

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 115, 125, 153, 207, 225, 255, 345, 375, 391, 425, 575, 625, 765, 1035, 1125, 1173, 1275, 1725, 1875, 1955, 2125, 2875, 3125, 3519, 3825, 5175, 5625, 5865, 6375, 8625, 9375, 9775, 10625, 14375, 15625, 17595, 19125, 25875, 28125, 29325, 31875, 43125, 46875, 48875, 53125, 71875, 87975, 95625, 129375, 140625, 146625, 159375, 215625, 244375, 265625, 359375, 439875, 478125, 646875, 733125, 796875, 1078125, 1221875, 2199375, 2390625, 3234375, 3665625, 6109375, 10996875, 18328125, 54984375]

約数ペア:

[(1, 54984375), (3, 18328125), (5, 10996875), (9, 6109375), (15, 3665625), (17, 3234375), (23, 2390625), (25, 2199375), (45, 1221875), (51, 1078125), (69, 796875), (75, 733125), (85, 646875), (115, 478125), (125, 439875), (153, 359375), (207, 265625), (225, 244375), (255, 215625), (345, 159375), (375, 146625), (391, 140625), (425, 129375), (575, 95625), (625, 87975), (765, 71875), (1035, 53125), (1125, 48875), (1173, 46875), (1275, 43125), (1725, 31875), (1875, 29325), (1955, 28125), (2125, 25875), (2875, 19125), (3125, 17595), (3519, 15625), (3825, 14375), (5175, 10625), (5625, 9775), (5865, 9375), (6375, 8625)]