399748383

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{823}}^1\times {\mathrm{1861}}^1$

素因数の和:2719

約数の個数: 24

約数和(自身を含む): 598372320

約数和(自身を除く): 198623937

約数列:

[1, 3, 9, 29, 87, 261, 823, 1861, 2469, 5583, 7407, 16749, 23867, 53969, 71601, 161907, 214803, 485721, 1531603, 4594809, 13784427, 44416487, 133249461, 399748383]

約数ペア:

[(1, 399748383), (3, 133249461), (9, 44416487), (29, 13784427), (87, 4594809), (261, 1531603), (823, 485721), (1861, 214803), (2469, 161907), (5583, 71601), (7407, 53969), (16749, 23867)]