20170981593

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{172787}}^1$

素因数の和:172926

約数の個数: 48

約数和(自身を含む): 35580504960

約数和(自身を除く): 15409523367

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 109, 119, 153, 327, 357, 763, 981, 1071, 1853, 2289, 5559, 6867, 12971, 16677, 38913, 116739, 172787, 518361, 1209509, 1555083, 2937379, 3628527, 8812137, 10885581, 18833783, 20561653, 26436411, 56501349, 61684959, 131836481, 169504047, 185054877, 320174311, 395509443, 960522933, 1186528329, 2241220177, 2881568799, 6723660531, 20170981593]

約数ペア:

[(1, 20170981593), (3, 6723660531), (7, 2881568799), (9, 2241220177), (17, 1186528329), (21, 960522933), (51, 395509443), (63, 320174311), (109, 185054877), (119, 169504047), (153, 131836481), (327, 61684959), (357, 56501349), (763, 26436411), (981, 20561653), (1071, 18833783), (1853, 10885581), (2289, 8812137), (5559, 3628527), (6867, 2937379), (12971, 1555083), (16677, 1209509), (38913, 518361), (116739, 172787)]