1283205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 2604672

約数和(自身を除く): 1321467

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 101, 105, 121, 165, 231, 303, 363, 385, 505, 605, 707, 847, 1111, 1155, 1515, 1815, 2121, 2541, 3333, 3535, 4235, 5555, 7777, 10605, 12221, 12705, 16665, 23331, 36663, 38885, 61105, 85547, 116655, 183315, 256641, 427735, 1283205]

約数ペア:

[(1, 1283205), (3, 427735), (5, 256641), (7, 183315), (11, 116655), (15, 85547), (21, 61105), (33, 38885), (35, 36663), (55, 23331), (77, 16665), (101, 12705), (105, 12221), (121, 10605), (165, 7777), (231, 5555), (303, 4235), (363, 3535), (385, 3333), (505, 2541), (605, 2121), (707, 1815), (847, 1515), (1111, 1155)]