13256235

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1321}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 23097984

約数和(自身を除く): 9841749

約数列:

[1, 3, 5, 9, 15, 45, 223, 669, 1115, 1321, 2007, 3345, 3963, 6605, 10035, 11889, 19815, 59445, 294583, 883749, 1472915, 2651247, 4418745, 13256235]

約数ペア:

[(1, 13256235), (3, 4418745), (5, 2651247), (9, 1472915), (15, 883749), (45, 294583), (223, 59445), (669, 19815), (1115, 11889), (1321, 10035), (2007, 6605), (3345, 3963)]