251717085

素因数分解:

$3^3\times 5^1\times {\mathrm{1864571}}^1$

素因数の和:1864585

約数の個数: 16

約数和(自身を含む): 447497280

約数和(自身を除く): 195780195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1864571, 5593713, 9322855, 16781139, 27968565, 50343417, 83905695, 251717085]

約数ペア:

[(1, 251717085), (3, 83905695), (5, 50343417), (9, 27968565), (15, 16781139), (27, 9322855), (45, 5593713), (135, 1864571)]