261017121

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{20201}}^1$

素因数の和:20336

約数の個数: 16

約数和(自身を含む): 358787520

約数和(自身を除く): 97770399

約数列:

[1, 3, 59, 73, 177, 219, 4307, 12921, 20201, 60603, 1191859, 1474673, 3575577, 4424019, 87005707, 261017121]

約数ペア:

[(1, 261017121), (3, 87005707), (59, 4424019), (73, 3575577), (177, 1474673), (219, 1191859), (4307, 60603), (12921, 20201)]