255909885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{221567}}^1$

素因数の和:221593

約数の個数: 32

約数和(自身を含む): 510492672

約数和(自身を除く): 254582787

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 221567, 664701, 1107835, 1550969, 2437237, 3323505, 4652907, 7311711, 7754845, 12186185, 17060659, 23264535, 36558555, 51181977, 85303295, 255909885]

約数ペア:

[(1, 255909885), (3, 85303295), (5, 51181977), (7, 36558555), (11, 23264535), (15, 17060659), (21, 12186185), (33, 7754845), (35, 7311711), (55, 4652907), (77, 3323505), (105, 2437237), (165, 1550969), (231, 1107835), (385, 664701), (1155, 221567)]