220131855

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{32831}}^1$

素因数の和:32991

約数の個数: 24

約数和(自身を含む): 384134400

約数和(自身を除く): 164002545

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 6705, 32831, 98493, 164155, 295479, 492465, 1477395, 4891819, 14675457, 24459095, 44026371, 73377285, 220131855]

約数ペア:

[(1, 220131855), (3, 73377285), (5, 44026371), (9, 24459095), (15, 14675457), (45, 4891819), (149, 1477395), (447, 492465), (745, 295479), (1341, 164155), (2235, 98493), (6705, 32831)]