87689757

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 127920384

約数和(自身を除く): 40230627

約数列:

[1, 3, 17, 51, 61, 71, 183, 213, 397, 1037, 1191, 1207, 3111, 3621, 4331, 6749, 12993, 20247, 24217, 28187, 72651, 73627, 84561, 220881, 411689, 479179, 1235067, 1437537, 1719407, 5158221, 29229919, 87689757]

約数ペア:

[(1, 87689757), (3, 29229919), (17, 5158221), (51, 1719407), (61, 1437537), (71, 1235067), (183, 479179), (213, 411689), (397, 220881), (1037, 84561), (1191, 73627), (1207, 72651), (3111, 28187), (3621, 24217), (4331, 20247), (6749, 12993)]