7920717

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^3\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 32

約数和(自身を含む): 13025280

約数和(自身を除く): 5104563

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 529, 651, 713, 1587, 2139, 3703, 4991, 11109, 12167, 14973, 16399, 36501, 49197, 85169, 114793, 255507, 344379, 377177, 1131531, 2640239, 7920717]

約数ペア:

[(1, 7920717), (3, 2640239), (7, 1131531), (21, 377177), (23, 344379), (31, 255507), (69, 114793), (93, 85169), (161, 49197), (217, 36501), (483, 16399), (529, 14973), (651, 12167), (713, 11109), (1587, 4991), (2139, 3703)]