72215913

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{312623}}^1$

素因数の和:312644

約数の個数: 16

約数和(自身を含む): 120047616

約数和(自身を除く): 47831703

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 312623, 937869, 2188361, 3438853, 6565083, 10316559, 24071971, 72215913]

約数ペア:

[(1, 72215913), (3, 24071971), (7, 10316559), (11, 6565083), (21, 3438853), (33, 2188361), (77, 937869), (231, 312623)]