2197215

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 3845088

約数和(自身を除く): 1647873

約数列:

[1, 3, 5, 9, 15, 45, 157, 311, 471, 785, 933, 1413, 1555, 2355, 2799, 4665, 7065, 13995, 48827, 146481, 244135, 439443, 732405, 2197215]

約数ペア:

[(1, 2197215), (3, 732405), (5, 439443), (9, 244135), (15, 146481), (45, 48827), (157, 13995), (311, 7065), (471, 4665), (785, 2799), (933, 2355), (1413, 1555)]