221317153

素因数分解:

${\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{521}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 233321472

約数和(自身を除く): 12004319

約数列:

[1, 31, 71, 193, 521, 2201, 5983, 13703, 16151, 36991, 100553, 424793, 1146721, 3117143, 7139263, 221317153]

約数ペア:

[(1, 221317153), (31, 7139263), (71, 3117143), (193, 1146721), (521, 424793), (2201, 100553), (5983, 36991), (13703, 16151)]