31985847

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 19381833

約数列:

[1, 3, 9, 23, 27, 59, 69, 81, 97, 177, 207, 243, 291, 531, 621, 873, 1357, 1593, 1863, 2231, 2619, 4071, 4779, 5589, 5723, 6693, 7857, 12213, 14337, 17169, 20079, 23571, 36639, 51507, 60237, 109917, 131629, 154521, 180711, 329751, 394887, 463563, 542133, 1184661, 1390689, 3553983, 10661949, 31985847]

約数ペア:

[(1, 31985847), (3, 10661949), (9, 3553983), (23, 1390689), (27, 1184661), (59, 542133), (69, 463563), (81, 394887), (97, 329751), (177, 180711), (207, 154521), (243, 131629), (291, 109917), (531, 60237), (621, 51507), (873, 36639), (1357, 23571), (1593, 20079), (1863, 17169), (2231, 14337), (2619, 12213), (4071, 7857), (4779, 6693), (5589, 5723)]