66467715

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 108864000

約数和(自身を除く): 42396285

約数列:

[1, 3, 5, 15, 71, 139, 213, 355, 417, 449, 695, 1065, 1347, 2085, 2245, 6735, 9869, 29607, 31879, 49345, 62411, 95637, 148035, 159395, 187233, 312055, 478185, 936165, 4431181, 13293543, 22155905, 66467715]

約数ペア:

[(1, 66467715), (3, 22155905), (5, 13293543), (15, 4431181), (71, 936165), (139, 478185), (213, 312055), (355, 187233), (417, 159395), (449, 148035), (695, 95637), (1065, 62411), (1347, 49345), (2085, 31879), (2245, 29607), (6735, 9869)]