9780780135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1981921}}^1$

素因数の和:1981983

約数の個数: 32

約数和(自身を含む): 18265393152

約数和(自身を除く): 8484613017

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 1981921, 5945763, 9909605, 13873447, 29728815, 41620341, 69367235, 93150287, 208101705, 279450861, 465751435, 652052009, 1397254305, 1956156027, 3260260045, 9780780135]

約数ペア:

[(1, 9780780135), (3, 3260260045), (5, 1956156027), (7, 1397254305), (15, 652052009), (21, 465751435), (35, 279450861), (47, 208101705), (105, 93150287), (141, 69367235), (235, 41620341), (329, 29728815), (705, 13873447), (987, 9909605), (1645, 5945763), (4935, 1981921)]