156978969819

素因数分解:

$3^1\times 7^1\times {\mathrm{18439}}^1\times {\mathrm{405401}}^1$

素因数の和:423850

約数の個数: 16

約数和(自身を含む): 239219612160

約数和(自身を除く): 82240642341

約数列:

[1, 3, 7, 21, 18439, 55317, 129073, 387219, 405401, 1216203, 2837807, 8513421, 7475189039, 22425567117, 52326323273, 156978969819]

約数ペア:

[(1, 156978969819), (3, 52326323273), (7, 22425567117), (21, 7475189039), (18439, 8513421), (55317, 2837807), (129073, 1216203), (387219, 405401)]