25683399

素因数分解:

$3^6\times 7^2\times {\mathrm{719}}^1$

素因数の和:751

約数の個数: 42

約数和(自身を含む): 44856720

約数和(自身を除く): 19173321

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 719, 729, 1323, 1701, 2157, 3969, 5033, 5103, 6471, 11907, 15099, 19413, 35231, 35721, 45297, 58239, 105693, 135891, 174717, 317079, 407673, 524151, 951237, 1223019, 2853711, 3669057, 8561133, 25683399]

約数ペア:

[(1, 25683399), (3, 8561133), (7, 3669057), (9, 2853711), (21, 1223019), (27, 951237), (49, 524151), (63, 407673), (81, 317079), (147, 174717), (189, 135891), (243, 105693), (441, 58239), (567, 45297), (719, 35721), (729, 35231), (1323, 19413), (1701, 15099), (2157, 11907), (3969, 6471), (5033, 5103)]