1399693905

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{280219}}^1$

素因数の和:280270

約数の個数: 32

約数和(自身を含む): 2555606400

約数和(自身を除く): 1155912495

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4995, 280219, 840657, 1401095, 2521971, 4203285, 7565913, 10368103, 12609855, 31104309, 37829565, 51840515, 93312927, 155521545, 279938781, 466564635, 1399693905]

約数ペア:

[(1, 1399693905), (3, 466564635), (5, 279938781), (9, 155521545), (15, 93312927), (27, 51840515), (37, 37829565), (45, 31104309), (111, 12609855), (135, 10368103), (185, 7565913), (333, 4203285), (555, 2521971), (999, 1401095), (1665, 840657), (4995, 280219)]