247965735

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{3527}}^1$

素因数の和:3687

約数の個数: 32

約数和(自身を含む): 409812480

約数和(自身を除く): 161846745

約数列:

[1, 3, 5, 15, 43, 109, 129, 215, 327, 545, 645, 1635, 3527, 4687, 10581, 14061, 17635, 23435, 52905, 70305, 151661, 384443, 454983, 758305, 1153329, 1922215, 2274915, 5766645, 16531049, 49593147, 82655245, 247965735]

約数ペア:

[(1, 247965735), (3, 82655245), (5, 49593147), (15, 16531049), (43, 5766645), (109, 2274915), (129, 1922215), (215, 1153329), (327, 758305), (545, 454983), (645, 384443), (1635, 151661), (3527, 70305), (4687, 52905), (10581, 23435), (14061, 17635)]