12788307

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 21980160

約数和(自身を除く): 9191853

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 953, 1491, 1917, 2859, 4473, 6671, 8577, 13419, 20013, 25731, 60039, 67663, 180117, 202989, 473641, 608967, 1420923, 1826901, 4262769, 12788307]

約数ペア:

[(1, 12788307), (3, 4262769), (7, 1826901), (9, 1420923), (21, 608967), (27, 473641), (63, 202989), (71, 180117), (189, 67663), (213, 60039), (497, 25731), (639, 20013), (953, 13419), (1491, 8577), (1917, 6671), (2859, 4473)]