289968255

素因数分解:

$3^5\times 5^1\times {\mathrm{238657}}^1$

素因数の和:238677

約数の個数: 24

約数和(自身を含む): 521229072

約数和(自身を除く): 231260817

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 238657, 715971, 1193285, 2147913, 3579855, 6443739, 10739565, 19331217, 32218695, 57993651, 96656085, 289968255]

約数ペア:

[(1, 289968255), (3, 96656085), (5, 57993651), (9, 32218695), (15, 19331217), (27, 10739565), (45, 6443739), (81, 3579855), (135, 2147913), (243, 1193285), (405, 715971), (1215, 238657)]