28281315

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 46759680

約数和(自身を除く): 18478365

約数列:

[1, 3, 5, 15, 43, 129, 163, 215, 269, 489, 645, 807, 815, 1345, 2445, 4035, 7009, 11567, 21027, 34701, 35045, 43847, 57835, 105135, 131541, 173505, 219235, 657705, 1885421, 5656263, 9427105, 28281315]

約数ペア:

[(1, 28281315), (3, 9427105), (5, 5656263), (15, 1885421), (43, 657705), (129, 219235), (163, 173505), (215, 131541), (269, 105135), (489, 57835), (645, 43847), (807, 35045), (815, 34701), (1345, 21027), (2445, 11567), (4035, 7009)]