61821315

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{743}}^1$

素因数の和:840

約数の個数: 36

約数和(自身を含む): 109854576

約数和(自身を除く): 48033261

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 743, 1849, 1935, 2229, 3715, 5547, 6687, 9245, 11145, 16641, 27735, 31949, 33435, 83205, 95847, 159745, 287541, 479235, 1373807, 1437705, 4121421, 6869035, 12364263, 20607105, 61821315]

約数ペア:

[(1, 61821315), (3, 20607105), (5, 12364263), (9, 6869035), (15, 4121421), (43, 1437705), (45, 1373807), (129, 479235), (215, 287541), (387, 159745), (645, 95847), (743, 83205), (1849, 33435), (1935, 31949), (2229, 27735), (3715, 16641), (5547, 11145), (6687, 9245)]