66890241

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 113667840

約数和(自身を除く): 46777599

約数列:

[1, 3, 9, 11, 19, 33, 43, 57, 99, 129, 171, 209, 387, 473, 627, 817, 827, 1419, 1881, 2451, 2481, 4257, 7353, 7443, 8987, 9097, 15713, 26961, 27291, 35561, 47139, 80883, 81873, 106683, 141417, 172843, 320049, 391171, 518529, 675659, 1173513, 1555587, 2026977, 3520539, 6080931, 7432249, 22296747, 66890241]

約数ペア:

[(1, 66890241), (3, 22296747), (9, 7432249), (11, 6080931), (19, 3520539), (33, 2026977), (43, 1555587), (57, 1173513), (99, 675659), (129, 518529), (171, 391171), (209, 320049), (387, 172843), (473, 141417), (627, 106683), (817, 81873), (827, 80883), (1419, 47139), (1881, 35561), (2451, 27291), (2481, 26961), (4257, 15713), (7353, 9097), (7443, 8987)]