31790913

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137623}}^1$

素因数の和:137644

約数の個数: 16

約数和(自身を含む): 52847616

約数和(自身を除く): 21056703

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 137623, 412869, 963361, 1513853, 2890083, 4541559, 10596971, 31790913]

約数ペア:

[(1, 31790913), (3, 10596971), (7, 4541559), (11, 2890083), (21, 1513853), (33, 963361), (77, 412869), (231, 137623)]