17990049

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1657}}^1$

素因数の和:1725

約数の個数: 32

約数和(自身を含む): 30560256

約数和(自身を除く): 12570207

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 1657, 3619, 4971, 10857, 11599, 18227, 34797, 54681, 77879, 127589, 233637, 382767, 545153, 856669, 1635459, 2570007, 5996683, 17990049]

約数ペア:

[(1, 17990049), (3, 5996683), (7, 2570007), (11, 1635459), (21, 856669), (33, 545153), (47, 382767), (77, 233637), (141, 127589), (231, 77879), (329, 54681), (517, 34797), (987, 18227), (1551, 11599), (1657, 10857), (3619, 4971)]