156978717

素因数分解:

$3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{23581}}^1$

素因数の和:23908

約数の個数: 16

約数和(自身を含む): 239970432

約数和(自身を除く): 82991715

約数列:

[1, 3, 7, 21, 317, 951, 2219, 6657, 23581, 70743, 165067, 495201, 7475177, 22425531, 52326239, 156978717]

約数ペア:

[(1, 156978717), (3, 52326239), (7, 22425531), (21, 7475177), (317, 495201), (951, 165067), (2219, 70743), (6657, 23581)]