87620787

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{617}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 131114880

約数和(自身を除く): 43494093

約数列:

[1, 3, 9, 31, 93, 279, 509, 617, 1527, 1851, 4581, 5553, 15779, 19127, 47337, 57381, 142011, 172143, 314053, 942159, 2826477, 9735643, 29206929, 87620787]

約数ペア:

[(1, 87620787), (3, 29206929), (9, 9735643), (31, 2826477), (93, 942159), (279, 314053), (509, 172143), (617, 142011), (1527, 57381), (1851, 47337), (4581, 19127), (5553, 15779)]