7138720515

素因数分解:

$3^1\times 5^1\times {\mathrm{20639}}^1\times {\mathrm{23059}}^1$

素因数の和:43706

約数の個数: 16

約数和(自身を含む): 11423001600

約数和(自身を除く): 4284281085

約数列:

[1, 3, 5, 15, 20639, 23059, 61917, 69177, 103195, 115295, 309585, 345885, 475914701, 1427744103, 2379573505, 7138720515]

約数ペア:

[(1, 7138720515), (3, 2379573505), (5, 1427744103), (15, 475914701), (20639, 345885), (23059, 309585), (61917, 115295), (69177, 103195)]