221781507

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1\times {\mathrm{5039}}^1$

素因数の和:5922

約数の個数: 16

約数和(自身を含む): 313528320

約数和(自身を除く): 91746813

約数列:

[1, 3, 17, 51, 863, 2589, 5039, 14671, 15117, 44013, 85663, 256989, 4348657, 13045971, 73927169, 221781507]

約数ペア:

[(1, 221781507), (3, 73927169), (17, 13045971), (51, 4348657), (863, 256989), (2589, 85663), (5039, 44013), (14671, 15117)]