28003965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3947}}^1$

素因数の和:4009

約数の個数: 32

約数和(自身を含む): 50029056

約数和(自身を除く): 22025091

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 3947, 7095, 11841, 19735, 43417, 59205, 130251, 169721, 217085, 509163, 651255, 848605, 1866931, 2545815, 5600793, 9334655, 28003965]

約数ペア:

[(1, 28003965), (3, 9334655), (5, 5600793), (11, 2545815), (15, 1866931), (33, 848605), (43, 651255), (55, 509163), (129, 217085), (165, 169721), (215, 130251), (473, 59205), (645, 43417), (1419, 19735), (2365, 11841), (3947, 7095)]