393855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:68

約数の個数: 48

約数和(自身を含む): 817152

約数和(自身を除く): 423297

約数列:

[1, 3, 5, 7, 11, 15, 21, 31, 33, 35, 55, 77, 93, 105, 121, 155, 165, 217, 231, 341, 363, 385, 465, 605, 651, 847, 1023, 1085, 1155, 1705, 1815, 2387, 2541, 3255, 3751, 4235, 5115, 7161, 11253, 11935, 12705, 18755, 26257, 35805, 56265, 78771, 131285, 393855]

約数ペア:

[(1, 393855), (3, 131285), (5, 78771), (7, 56265), (11, 35805), (15, 26257), (21, 18755), (31, 12705), (33, 11935), (35, 11253), (55, 7161), (77, 5115), (93, 4235), (105, 3751), (121, 3255), (155, 2541), (165, 2387), (217, 1815), (231, 1705), (341, 1155), (363, 1085), (385, 1023), (465, 847), (605, 651)]