31051461

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 48964608

約数和(自身を除く): 17913147

約数列:

[1, 3, 7, 21, 43, 129, 137, 251, 301, 411, 753, 903, 959, 1757, 2877, 5271, 5891, 10793, 17673, 32379, 34387, 41237, 75551, 103161, 123711, 226653, 240709, 722127, 1478641, 4435923, 10350487, 31051461]

約数ペア:

[(1, 31051461), (3, 10350487), (7, 4435923), (21, 1478641), (43, 722127), (129, 240709), (137, 226653), (251, 123711), (301, 103161), (411, 75551), (753, 41237), (903, 34387), (959, 32379), (1757, 17673), (2877, 10793), (5271, 5891)]