17690967

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 30979872

約数和(自身を除く): 13288905

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 761, 861, 1107, 2283, 2583, 3321, 5327, 6849, 7749, 15981, 20547, 23247, 31201, 47943, 61641, 93603, 143829, 218407, 280809, 431487, 655221, 842427, 1965663, 2527281, 5896989, 17690967]

約数ペア:

[(1, 17690967), (3, 5896989), (7, 2527281), (9, 1965663), (21, 842427), (27, 655221), (41, 431487), (63, 280809), (81, 218407), (123, 143829), (189, 93603), (287, 61641), (369, 47943), (567, 31201), (761, 23247), (861, 20547), (1107, 15981), (2283, 7749), (2583, 6849), (3321, 5327)]