9940791

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1249}}^1$

素因数の和:1638

約数の個数: 16

約数和(自身を含む): 15200000

約数和(自身を除く): 5259209

約数列:

[1, 3, 7, 21, 379, 1137, 1249, 2653, 3747, 7959, 8743, 26229, 473371, 1420113, 3313597, 9940791]

約数ペア:

[(1, 9940791), (3, 3313597), (7, 1420113), (21, 473371), (379, 26229), (1137, 8743), (1249, 7959), (2653, 3747)]