309937335

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{3457}}^1$

素因数の和:3647

約数の個数: 32

約数和(自身を含む): 511230720

約数和(自身を除く): 201293385

約数列:

[1, 3, 5, 15, 43, 129, 139, 215, 417, 645, 695, 2085, 3457, 5977, 10371, 17285, 17931, 29885, 51855, 89655, 148651, 445953, 480523, 743255, 1441569, 2229765, 2402615, 7207845, 20662489, 61987467, 103312445, 309937335]

約数ペア:

[(1, 309937335), (3, 103312445), (5, 61987467), (15, 20662489), (43, 7207845), (129, 2402615), (139, 2229765), (215, 1441569), (417, 743255), (645, 480523), (695, 445953), (2085, 148651), (3457, 89655), (5977, 51855), (10371, 29885), (17285, 17931)]