221517093

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{25541}}^1$

素因数の和:25617

約数の個数: 24

約数和(自身を含む): 349414560

約数和(自身を除く): 127897467

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 1239, 2891, 8673, 25541, 76623, 178787, 536361, 1251509, 1506919, 3754527, 4520757, 10548433, 31645299, 73839031, 221517093]

約数ペア:

[(1, 221517093), (3, 73839031), (7, 31645299), (21, 10548433), (49, 4520757), (59, 3754527), (147, 1506919), (177, 1251509), (413, 536361), (1239, 178787), (2891, 76623), (8673, 25541)]