27979335

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13229}}^1$

素因数の和:13287

約数の個数: 24

約数和(自身を含む): 49533120

約数和(自身を除く): 21553785

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 13229, 39687, 66145, 119061, 198435, 595305, 621763, 1865289, 3108815, 5595867, 9326445, 27979335]

約数ペア:

[(1, 27979335), (3, 9326445), (5, 5595867), (9, 3108815), (15, 1865289), (45, 621763), (47, 595305), (141, 198435), (235, 119061), (423, 66145), (705, 39687), (2115, 13229)]