27971715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2551}}^1$

素因数の和:2619

約数の個数: 32

約数和(自身を含む): 48508416

約数和(自身を除く): 20536701

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 2551, 3655, 7653, 10965, 12755, 38265, 43367, 109693, 130101, 216835, 329079, 548465, 650505, 1645395, 1864781, 5594343, 9323905, 27971715]

約数ペア:

[(1, 27971715), (3, 9323905), (5, 5594343), (15, 1864781), (17, 1645395), (43, 650505), (51, 548465), (85, 329079), (129, 216835), (215, 130101), (255, 109693), (645, 43367), (731, 38265), (2193, 12755), (2551, 10965), (3655, 7653)]