858880065

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1331597}}^1$

素因数の和:1331648

約数の個数: 16

約数和(自身を含む): 1406167488

約数和(自身を除く): 547287423

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1331597, 3994791, 6657985, 19973955, 57258671, 171776013, 286293355, 858880065]

約数ペア:

[(1, 858880065), (3, 286293355), (5, 171776013), (15, 57258671), (43, 19973955), (129, 6657985), (215, 3994791), (645, 1331597)]