28470855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{683}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 52268544

約数和(自身を除く): 23797689

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 397, 683, 1191, 1985, 2049, 2779, 3415, 4781, 5955, 8337, 10245, 13895, 14343, 23905, 41685, 71715, 271151, 813453, 1355755, 1898057, 4067265, 5694171, 9490285, 28470855]

約数ペア:

[(1, 28470855), (3, 9490285), (5, 5694171), (7, 4067265), (15, 1898057), (21, 1355755), (35, 813453), (105, 271151), (397, 71715), (683, 41685), (1191, 23905), (1985, 14343), (2049, 13895), (2779, 10245), (3415, 8337), (4781, 5955)]