745875

素因数分解:

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

素因数の和:54

約数の個数: 64

約数和(自身を含む): 1572480

約数和(自身を除く): 826605

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 27, 39, 45, 51, 65, 75, 85, 117, 125, 135, 153, 195, 221, 225, 255, 325, 351, 375, 425, 459, 585, 663, 675, 765, 975, 1105, 1125, 1275, 1625, 1755, 1989, 2125, 2295, 2925, 3315, 3375, 3825, 4875, 5525, 5967, 6375, 8775, 9945, 11475, 14625, 16575, 19125, 27625, 29835, 43875, 49725, 57375, 82875, 149175, 248625, 745875]

約数ペア:

[(1, 745875), (3, 248625), (5, 149175), (9, 82875), (13, 57375), (15, 49725), (17, 43875), (25, 29835), (27, 27625), (39, 19125), (45, 16575), (51, 14625), (65, 11475), (75, 9945), (85, 8775), (117, 6375), (125, 5967), (135, 5525), (153, 4875), (195, 3825), (221, 3375), (225, 3315), (255, 2925), (325, 2295), (351, 2125), (375, 1989), (425, 1755), (459, 1625), (585, 1275), (663, 1125), (675, 1105), (765, 975)]