13118715

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{727}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 22827168

約数和(自身を除く): 9708453

約数列:

[1, 3, 5, 9, 15, 45, 401, 727, 1203, 2005, 2181, 3609, 3635, 6015, 6543, 10905, 18045, 32715, 291527, 874581, 1457635, 2623743, 4372905, 13118715]

約数ペア:

[(1, 13118715), (3, 4372905), (5, 2623743), (9, 1457635), (15, 874581), (45, 291527), (401, 32715), (727, 18045), (1203, 10905), (2005, 6543), (2181, 6015), (3609, 3635)]