51381675

素因数分解:

$3^3\times 5^2\times {\mathrm{163}}^1\times {\mathrm{467}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 95172480

約数和(自身を除く): 43790805

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 163, 225, 467, 489, 675, 815, 1401, 1467, 2335, 2445, 4075, 4203, 4401, 7005, 7335, 11675, 12225, 12609, 21015, 22005, 35025, 36675, 63045, 76121, 105075, 110025, 228363, 315225, 380605, 685089, 1141815, 1903025, 2055267, 3425445, 5709075, 10276335, 17127225, 51381675]

約数ペア:

[(1, 51381675), (3, 17127225), (5, 10276335), (9, 5709075), (15, 3425445), (25, 2055267), (27, 1903025), (45, 1141815), (75, 685089), (135, 380605), (163, 315225), (225, 228363), (467, 110025), (489, 105075), (675, 76121), (815, 63045), (1401, 36675), (1467, 35025), (2335, 22005), (2445, 21015), (4075, 12609), (4203, 12225), (4401, 11675), (7005, 7335)]