28271655

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9377}}^1$

素因数の和:9455

約数の個数: 24

約数和(自身を含む): 49740912

約数和(自身を除く): 21469257

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 9377, 28131, 46885, 84393, 140655, 421965, 628259, 1884777, 3141295, 5654331, 9423885, 28271655]

約数ペア:

[(1, 28271655), (3, 9423885), (5, 5654331), (9, 3141295), (15, 1884777), (45, 628259), (67, 421965), (201, 140655), (335, 84393), (603, 46885), (1005, 28131), (3015, 9377)]