22471875

素因数分解:

$3^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 43872192

約数和(自身を除く): 21400317

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 47, 51, 75, 85, 125, 141, 153, 225, 235, 255, 375, 423, 425, 625, 705, 765, 799, 1125, 1175, 1275, 1875, 2115, 2125, 2397, 3125, 3525, 3825, 3995, 5625, 5875, 6375, 7191, 9375, 10575, 10625, 11985, 17625, 19125, 19975, 28125, 29375, 31875, 35955, 52875, 53125, 59925, 88125, 95625, 99875, 146875, 159375, 179775, 264375, 299625, 440625, 478125, 499375, 898875, 1321875, 1498125, 2496875, 4494375, 7490625, 22471875]

約数ペア:

[(1, 22471875), (3, 7490625), (5, 4494375), (9, 2496875), (15, 1498125), (17, 1321875), (25, 898875), (45, 499375), (47, 478125), (51, 440625), (75, 299625), (85, 264375), (125, 179775), (141, 159375), (153, 146875), (225, 99875), (235, 95625), (255, 88125), (375, 59925), (423, 53125), (425, 52875), (625, 35955), (705, 31875), (765, 29375), (799, 28125), (1125, 19975), (1175, 19125), (1275, 17625), (1875, 11985), (2115, 10625), (2125, 10575), (2397, 9375), (3125, 7191), (3525, 6375), (3825, 5875), (3995, 5625)]