80977005

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{38287}}^1$

素因数の和:38345

約数の個数: 24

約数和(自身を含む): 143350272

約数和(自身を除く): 62373267

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 38287, 114861, 191435, 344583, 574305, 1722915, 1799489, 5398467, 8997445, 16195401, 26992335, 80977005]

約数ペア:

[(1, 80977005), (3, 26992335), (5, 16195401), (9, 8997445), (15, 5398467), (45, 1799489), (47, 1722915), (141, 574305), (235, 344583), (423, 191435), (705, 114861), (2115, 38287)]