78393819

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{55717}}^1$

素因数の和:55794

約数の個数: 16

約数和(自身を含む): 121242368

約数和(自身を除く): 42848549

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 55717, 167151, 390019, 1170057, 3733039, 11199117, 26131273, 78393819]

約数ペア:

[(1, 78393819), (3, 26131273), (7, 11199117), (21, 3733039), (67, 1170057), (201, 390019), (469, 167151), (1407, 55717)]