12917457

素因数分解:

$3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{541}}^1$

素因数の和:933

約数の個数: 24

約数和(自身を含む): 21419840

約数和(自身を除く): 8502383

約数列:

[1, 3, 7, 9, 21, 63, 379, 541, 1137, 1623, 2653, 3411, 3787, 4869, 7959, 11361, 23877, 34083, 205039, 615117, 1435273, 1845351, 4305819, 12917457]

約数ペア:

[(1, 12917457), (3, 4305819), (7, 1845351), (9, 1435273), (21, 615117), (63, 205039), (379, 34083), (541, 23877), (1137, 11361), (1623, 7959), (2653, 4869), (3411, 3787)]