16640145

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6977}}^1$

素因数の和:7041

約数の個数: 24

約数和(自身を含む): 29391336

約数和(自身を除く): 12751191

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 6977, 20931, 34885, 62793, 104655, 313965, 369781, 1109343, 1848905, 3328029, 5546715, 16640145]

約数ペア:

[(1, 16640145), (3, 5546715), (5, 3328029), (9, 1848905), (15, 1109343), (45, 369781), (53, 313965), (159, 104655), (265, 62793), (477, 34885), (795, 20931), (2385, 6977)]