206082015

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{1129}}^1$

素因数の和:1463

約数の個数: 32

約数和(自身を含む): 338891520

約数和(自身を除く): 132809505

約数列:

[1, 3, 5, 15, 43, 129, 215, 283, 645, 849, 1129, 1415, 3387, 4245, 5645, 12169, 16935, 36507, 48547, 60845, 145641, 182535, 242735, 319507, 728205, 958521, 1597535, 4792605, 13738801, 41216403, 68694005, 206082015]

約数ペア:

[(1, 206082015), (3, 68694005), (5, 41216403), (15, 13738801), (43, 4792605), (129, 1597535), (215, 958521), (283, 728205), (645, 319507), (849, 242735), (1129, 182535), (1415, 145641), (3387, 60845), (4245, 48547), (5645, 36507), (12169, 16935)]