30805875

素因数分解:

$3^2\times 5^3\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 56216160

約数和(自身を除く): 25410285

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 139, 197, 225, 375, 417, 591, 695, 985, 1125, 1251, 1773, 2085, 2955, 3475, 4925, 6255, 8865, 10425, 14775, 17375, 24625, 27383, 31275, 44325, 52125, 73875, 82149, 136915, 156375, 221625, 246447, 410745, 684575, 1232235, 2053725, 3422875, 6161175, 10268625, 30805875]

約数ペア:

[(1, 30805875), (3, 10268625), (5, 6161175), (9, 3422875), (15, 2053725), (25, 1232235), (45, 684575), (75, 410745), (125, 246447), (139, 221625), (197, 156375), (225, 136915), (375, 82149), (417, 73875), (591, 52125), (695, 44325), (985, 31275), (1125, 27383), (1251, 24625), (1773, 17375), (2085, 14775), (2955, 10425), (3475, 8865), (4925, 6255)]