40509021

素因数分解:

$3^1\times 7^1\times {\mathrm{1031}}^1\times {\mathrm{1871}}^1$

素因数の和:2912

約数の個数: 16

約数和(自身を含む): 61820928

約数和(自身を除く): 21311907

約数列:

[1, 3, 7, 21, 1031, 1871, 3093, 5613, 7217, 13097, 21651, 39291, 1929001, 5787003, 13503007, 40509021]

約数ペア:

[(1, 40509021), (3, 13503007), (7, 5787003), (21, 1929001), (1031, 39291), (1871, 21651), (3093, 13097), (5613, 7217)]