81358875

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5563}}^1$

素因数の和:5597

約数の個数: 48

約数和(自身を含む): 157973088

約数和(自身を除く): 76614213

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 975, 1125, 1625, 2925, 4875, 5563, 14625, 16689, 27815, 50067, 72319, 83445, 139075, 216957, 250335, 361595, 417225, 650871, 695375, 1084785, 1251675, 1807975, 2086125, 3254355, 5423925, 6258375, 9039875, 16271775, 27119625, 81358875]

約数ペア:

[(1, 81358875), (3, 27119625), (5, 16271775), (9, 9039875), (13, 6258375), (15, 5423925), (25, 3254355), (39, 2086125), (45, 1807975), (65, 1251675), (75, 1084785), (117, 695375), (125, 650871), (195, 417225), (225, 361595), (325, 250335), (375, 216957), (585, 139075), (975, 83445), (1125, 72319), (1625, 50067), (2925, 27815), (4875, 16689), (5563, 14625)]