221831235

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 394344288

約数和(自身を除く): 172513053

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 281, 331, 477, 795, 843, 993, 1405, 1655, 2385, 2529, 2979, 4215, 4965, 12645, 14893, 14895, 17543, 44679, 52629, 74465, 87715, 93011, 134037, 157887, 223395, 263145, 279033, 465055, 670185, 789435, 837099, 1395165, 4185495, 4929583, 14788749, 24647915, 44366247, 73943745, 221831235]

約数ペア:

[(1, 221831235), (3, 73943745), (5, 44366247), (9, 24647915), (15, 14788749), (45, 4929583), (53, 4185495), (159, 1395165), (265, 837099), (281, 789435), (331, 670185), (477, 465055), (795, 279033), (843, 263145), (993, 223395), (1405, 157887), (1655, 134037), (2385, 93011), (2529, 87715), (2979, 74465), (4215, 52629), (4965, 44679), (12645, 17543), (14893, 14895)]