224638515

素因数分解:

$3^4\times 5^1\times {\mathrm{554663}}^1$

素因数の和:554680

約数の個数: 20

約数和(自身を含む): 402686064

約数和(自身を除く): 178047549

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 554663, 1663989, 2773315, 4991967, 8319945, 14975901, 24959835, 44927703, 74879505, 224638515]

約数ペア:

[(1, 224638515), (3, 74879505), (5, 44927703), (9, 24959835), (15, 14975901), (27, 8319945), (45, 4991967), (81, 2773315), (135, 1663989), (405, 554663)]