256232565

素因数分解:

$3^6\times 5^1\times {\mathrm{70297}}^1$

素因数の和:70320

約数の個数: 28

約数和(自身を含む): 461014284

約数和(自身を除く): 204781719

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 70297, 210891, 351485, 632673, 1054455, 1898019, 3163365, 5694057, 9490095, 17082171, 28470285, 51246513, 85410855, 256232565]

約数ペア:

[(1, 256232565), (3, 85410855), (5, 51246513), (9, 28470285), (15, 17082171), (27, 9490095), (45, 5694057), (81, 3163365), (135, 1898019), (243, 1054455), (405, 632673), (729, 351485), (1215, 210891), (3645, 70297)]