78945075

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 155990016

約数和(自身を除く): 77044941

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 167, 191, 225, 275, 495, 501, 573, 825, 835, 955, 1503, 1719, 1837, 2101, 2475, 2505, 2865, 4175, 4775, 5511, 6303, 7515, 8595, 9185, 10505, 12525, 14325, 16533, 18909, 27555, 31515, 31897, 37575, 42975, 45925, 52525, 82665, 94545, 95691, 137775, 157575, 159485, 287073, 350867, 413325, 472725, 478455, 797425, 1052601, 1435365, 1754335, 2392275, 3157803, 5263005, 7176825, 8771675, 15789015, 26315025, 78945075]

約数ペア:

[(1, 78945075), (3, 26315025), (5, 15789015), (9, 8771675), (11, 7176825), (15, 5263005), (25, 3157803), (33, 2392275), (45, 1754335), (55, 1435365), (75, 1052601), (99, 797425), (165, 478455), (167, 472725), (191, 413325), (225, 350867), (275, 287073), (495, 159485), (501, 157575), (573, 137775), (825, 95691), (835, 94545), (955, 82665), (1503, 52525), (1719, 45925), (1837, 42975), (2101, 37575), (2475, 31897), (2505, 31515), (2865, 27555), (4175, 18909), (4775, 16533), (5511, 14325), (6303, 12525), (7515, 10505), (8595, 9185)]