281738691

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{3643}}^1$

素因数の和:4323

約数の個数: 24

約数和(自身を含む): 439043696

約数和(自身を除く): 157305005

約数列:

[1, 3, 9, 13, 39, 117, 661, 1983, 3643, 5949, 8593, 10929, 25779, 32787, 47359, 77337, 142077, 426231, 2408023, 7224069, 21672207, 31304299, 93912897, 281738691]

約数ペア:

[(1, 281738691), (3, 93912897), (9, 31304299), (13, 21672207), (39, 7224069), (117, 2408023), (661, 426231), (1983, 142077), (3643, 77337), (5949, 47359), (8593, 32787), (10929, 25779)]