12774915

素因数分解:

$3^4\times 5^1\times {\mathrm{31543}}^1$

素因数の和:31560

約数の個数: 20

約数和(自身を含む): 22900944

約数和(自身を除く): 10126029

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31543, 94629, 157715, 283887, 473145, 851661, 1419435, 2554983, 4258305, 12774915]

約数ペア:

[(1, 12774915), (3, 4258305), (5, 2554983), (9, 1419435), (15, 851661), (27, 473145), (45, 283887), (81, 157715), (135, 94629), (405, 31543)]