61984575

素因数分解:

$3^3\times 5^2\times {\mathrm{229}}^1\times {\mathrm{401}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 114650400

約数和(自身を除く): 52665825

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 229, 401, 675, 687, 1145, 1203, 2005, 2061, 3435, 3609, 5725, 6015, 6183, 10025, 10305, 10827, 17175, 18045, 30075, 30915, 51525, 54135, 90225, 91829, 154575, 270675, 275487, 459145, 826461, 1377435, 2295725, 2479383, 4132305, 6887175, 12396915, 20661525, 61984575]

約数ペア:

[(1, 61984575), (3, 20661525), (5, 12396915), (9, 6887175), (15, 4132305), (25, 2479383), (27, 2295725), (45, 1377435), (75, 826461), (135, 459145), (225, 275487), (229, 270675), (401, 154575), (675, 91829), (687, 90225), (1145, 54135), (1203, 51525), (2005, 30915), (2061, 30075), (3435, 18045), (3609, 17175), (5725, 10827), (6015, 10305), (6183, 10025)]