261134019

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{15199}}^1$

素因数の和:15311

約数の個数: 24

約数和(自身を含む): 398361600

約数和(自身を除く): 137227581

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1909, 5727, 15199, 17181, 45597, 136791, 349577, 1048731, 1261517, 3146193, 3784551, 11353653, 29014891, 87044673, 261134019]

約数ペア:

[(1, 261134019), (3, 87044673), (9, 29014891), (23, 11353653), (69, 3784551), (83, 3146193), (207, 1261517), (249, 1048731), (747, 349577), (1909, 136791), (5727, 45597), (15199, 17181)]