84720555

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 153788544

約数和(自身を除く): 69067989

約数列:

[1, 3, 5, 9, 15, 41, 45, 47, 123, 141, 205, 235, 369, 423, 615, 705, 977, 1845, 1927, 2115, 2931, 4885, 5781, 8793, 9635, 14655, 17343, 28905, 40057, 43965, 45919, 86715, 120171, 137757, 200285, 229595, 360513, 413271, 600855, 688785, 1802565, 1882679, 2066355, 5648037, 9413395, 16944111, 28240185, 84720555]

約数ペア:

[(1, 84720555), (3, 28240185), (5, 16944111), (9, 9413395), (15, 5648037), (41, 2066355), (45, 1882679), (47, 1802565), (123, 688785), (141, 600855), (205, 413271), (235, 360513), (369, 229595), (423, 200285), (615, 137757), (705, 120171), (977, 86715), (1845, 45919), (1927, 43965), (2115, 40057), (2931, 28905), (4885, 17343), (5781, 14655), (8793, 9635)]