1243125

素因数分解:

$3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:56

約数の個数: 60

約数和(自身を含む): 2558556

約数和(自身を除く): 1315431

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 125, 153, 195, 221, 225, 255, 325, 375, 425, 585, 625, 663, 765, 975, 1105, 1125, 1275, 1625, 1875, 1989, 2125, 2925, 3315, 3825, 4875, 5525, 5625, 6375, 8125, 9945, 10625, 14625, 16575, 19125, 24375, 27625, 31875, 49725, 73125, 82875, 95625, 138125, 248625, 414375, 1243125]

約数ペア:

[(1, 1243125), (3, 414375), (5, 248625), (9, 138125), (13, 95625), (15, 82875), (17, 73125), (25, 49725), (39, 31875), (45, 27625), (51, 24375), (65, 19125), (75, 16575), (85, 14625), (117, 10625), (125, 9945), (153, 8125), (195, 6375), (221, 5625), (225, 5525), (255, 4875), (325, 3825), (375, 3315), (425, 2925), (585, 2125), (625, 1989), (663, 1875), (765, 1625), (975, 1275), (1105, 1125)]