208179909

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{64793}}^1$

素因数の和:64826

約数の個数: 32

約数和(自身を含む): 373213440

約数和(自身を除く): 165033531

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 64793, 194379, 453551, 583137, 1101481, 1360653, 1749411, 3304443, 4081959, 7710367, 9913329, 12245877, 23131101, 29739987, 69393303, 208179909]

約数ペア:

[(1, 208179909), (3, 69393303), (7, 29739987), (9, 23131101), (17, 12245877), (21, 9913329), (27, 7710367), (51, 4081959), (63, 3304443), (119, 1749411), (153, 1360653), (189, 1101481), (357, 583137), (459, 453551), (1071, 194379), (3213, 64793)]