12939927

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 24084480

約数和(自身を除く): 11144553

約数列:

[1, 3, 7, 11, 13, 21, 31, 33, 39, 77, 91, 93, 139, 143, 217, 231, 273, 341, 403, 417, 429, 651, 973, 1001, 1023, 1209, 1529, 1807, 2387, 2821, 2919, 3003, 4309, 4433, 4587, 5421, 7161, 8463, 10703, 12649, 12927, 13299, 19877, 30163, 31031, 32109, 37947, 47399, 56017, 59631, 90489, 93093, 139139, 142197, 168051, 331793, 392119, 417417, 616187, 995379, 1176357, 1848561, 4313309, 12939927]

約数ペア:

[(1, 12939927), (3, 4313309), (7, 1848561), (11, 1176357), (13, 995379), (21, 616187), (31, 417417), (33, 392119), (39, 331793), (77, 168051), (91, 142197), (93, 139139), (139, 93093), (143, 90489), (217, 59631), (231, 56017), (273, 47399), (341, 37947), (403, 32109), (417, 31031), (429, 30163), (651, 19877), (973, 13299), (1001, 12927), (1023, 12649), (1209, 10703), (1529, 8463), (1807, 7161), (2387, 5421), (2821, 4587), (2919, 4433), (3003, 4309)]