17946747

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 33808320

約数和(自身を除く): 15861573

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1289, 1547, 1989, 3867, 4641, 9023, 11601, 13923, 16757, 21913, 27069, 50271, 65739, 81207, 117299, 150813, 153391, 197217, 284869, 351897, 460173, 854607, 1055691, 1380519, 1994083, 2563821, 5982249, 17946747]

約数ペア:

[(1, 17946747), (3, 5982249), (7, 2563821), (9, 1994083), (13, 1380519), (17, 1055691), (21, 854607), (39, 460173), (51, 351897), (63, 284869), (91, 197217), (117, 153391), (119, 150813), (153, 117299), (221, 81207), (273, 65739), (357, 50271), (663, 27069), (819, 21913), (1071, 16757), (1289, 13923), (1547, 11601), (1989, 9023), (3867, 4641)]