56791815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{222713}}^1$

素因数の和:222738

約数の個数: 16

約数和(自身を含む): 96212448

約数和(自身を除く): 39420633

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 222713, 668139, 1113565, 3340695, 3786121, 11358363, 18930605, 56791815]

約数ペア:

[(1, 56791815), (3, 18930605), (5, 11358363), (15, 3786121), (17, 3340695), (51, 1113565), (85, 668139), (255, 222713)]