66489825

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 114903360

約数和(自身を除く): 48413535

約数列:

[1, 3, 5, 15, 25, 43, 53, 75, 129, 159, 215, 265, 389, 645, 795, 1075, 1167, 1325, 1945, 2279, 3225, 3975, 5835, 6837, 9725, 11395, 16727, 20617, 29175, 34185, 50181, 56975, 61851, 83635, 103085, 170925, 250905, 309255, 418175, 515425, 886531, 1254525, 1546275, 2659593, 4432655, 13297965, 22163275, 66489825]

約数ペア:

[(1, 66489825), (3, 22163275), (5, 13297965), (15, 4432655), (25, 2659593), (43, 1546275), (53, 1254525), (75, 886531), (129, 515425), (159, 418175), (215, 309255), (265, 250905), (389, 170925), (645, 103085), (795, 83635), (1075, 61851), (1167, 56975), (1325, 50181), (1945, 34185), (2279, 29175), (3225, 20617), (3975, 16727), (5835, 11395), (6837, 9725)]