78507717

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 120717312

約数和(自身を除く): 42209595

約数列:

[1, 3, 17, 23, 31, 51, 69, 93, 127, 289, 381, 391, 527, 713, 867, 1173, 1581, 2139, 2159, 2921, 3937, 6477, 6647, 8763, 8959, 11811, 12121, 19941, 26877, 36363, 36703, 49657, 66929, 90551, 110109, 148971, 200787, 206057, 271653, 618171, 844169, 1137793, 1539367, 2532507, 3413379, 4618101, 26169239, 78507717]

約数ペア:

[(1, 78507717), (3, 26169239), (17, 4618101), (23, 3413379), (31, 2532507), (51, 1539367), (69, 1137793), (93, 844169), (127, 618171), (289, 271653), (381, 206057), (391, 200787), (527, 148971), (713, 110109), (867, 90551), (1173, 66929), (1581, 49657), (2139, 36703), (2159, 36363), (2921, 26877), (3937, 19941), (6477, 12121), (6647, 11811), (8763, 8959)]