201801999

素因数分解:

$3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{41243}}^1$

素因数の和:41486

約数の個数: 16

約数和(自身を含む): 308835072

約数和(自身を除く): 107033073

約数列:

[1, 3, 7, 21, 233, 699, 1631, 4893, 41243, 123729, 288701, 866103, 9609619, 28828857, 67267333, 201801999]

約数ペア:

[(1, 201801999), (3, 67267333), (7, 28828857), (21, 9609619), (233, 866103), (699, 288701), (1631, 123729), (4893, 41243)]