68216787

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 106928640

約数和(自身を除く): 38711853

約数列:

[1, 3, 9, 29, 47, 67, 83, 87, 141, 201, 249, 261, 423, 603, 747, 1363, 1943, 2407, 3149, 3901, 4089, 5561, 5829, 7221, 9447, 11703, 12267, 16683, 17487, 21663, 28341, 35109, 50049, 91321, 113129, 161269, 261367, 273963, 339387, 483807, 784101, 821889, 1018161, 1451421, 2352303, 7579643, 22738929, 68216787]

約数ペア:

[(1, 68216787), (3, 22738929), (9, 7579643), (29, 2352303), (47, 1451421), (67, 1018161), (83, 821889), (87, 784101), (141, 483807), (201, 339387), (249, 273963), (261, 261367), (423, 161269), (603, 113129), (747, 91321), (1363, 50049), (1943, 35109), (2407, 28341), (3149, 21663), (3901, 17487), (4089, 16683), (5561, 12267), (5829, 11703), (7221, 9447)]