398040363

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{887}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 698181120

約数和(自身を除く): 300140757

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 419, 887, 1071, 1257, 2661, 2933, 3771, 6209, 7123, 7983, 8799, 15079, 18627, 21369, 26397, 45237, 49861, 55881, 64107, 105553, 135711, 149583, 316659, 371653, 448749, 949977, 1114959, 2601571, 3344877, 6318101, 7804713, 18954303, 23414139, 44226707, 56862909, 132680121, 398040363]

約数ペア:

[(1, 398040363), (3, 132680121), (7, 56862909), (9, 44226707), (17, 23414139), (21, 18954303), (51, 7804713), (63, 6318101), (119, 3344877), (153, 2601571), (357, 1114959), (419, 949977), (887, 448749), (1071, 371653), (1257, 316659), (2661, 149583), (2933, 135711), (3771, 105553), (6209, 64107), (7123, 55881), (7983, 49861), (8799, 45237), (15079, 26397), (18627, 21369)]