220171239

素因数分解:

$3^2\times {\mathrm{191}}^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 321564672

約数和(自身を除く): 101393433

約数列:

[1, 3, 9, 191, 263, 487, 573, 789, 1461, 1719, 2367, 4383, 50233, 93017, 128081, 150699, 279051, 384243, 452097, 837153, 1152729, 24463471, 73390413, 220171239]

約数ペア:

[(1, 220171239), (3, 73390413), (9, 24463471), (191, 1152729), (263, 837153), (487, 452097), (573, 384243), (789, 279051), (1461, 150699), (1719, 128081), (2367, 93017), (4383, 50233)]