398445399

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6481}}^1$

素因数の和:6530

約数の個数: 48

約数和(自身を含む): 679521024

約数和(自身を除く): 281075625

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 243, 253, 297, 621, 759, 891, 1863, 2277, 2673, 5589, 6481, 6831, 19443, 20493, 58329, 61479, 71291, 149063, 174987, 213873, 447189, 524961, 641619, 1341567, 1574883, 1639693, 1924857, 4024701, 4919079, 5774571, 12074103, 14757237, 17323713, 36222309, 44271711, 132815133, 398445399]

約数ペア:

[(1, 398445399), (3, 132815133), (9, 44271711), (11, 36222309), (23, 17323713), (27, 14757237), (33, 12074103), (69, 5774571), (81, 4919079), (99, 4024701), (207, 1924857), (243, 1639693), (253, 1574883), (297, 1341567), (621, 641619), (759, 524961), (891, 447189), (1863, 213873), (2277, 174987), (2673, 149063), (5589, 71291), (6481, 61479), (6831, 58329), (19443, 20493)]