217313565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{66763}}^1$

素因数の和:66809

約数の個数: 32

約数和(自身を含む): 410198016

約数和(自身を除く): 192884451

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 66763, 200289, 333815, 467341, 1001445, 1402023, 2069653, 2336705, 6208959, 7010115, 10348265, 14487571, 31044795, 43462713, 72437855, 217313565]

約数ペア:

[(1, 217313565), (3, 72437855), (5, 43462713), (7, 31044795), (15, 14487571), (21, 10348265), (31, 7010115), (35, 6208959), (93, 2336705), (105, 2069653), (155, 1402023), (217, 1001445), (465, 467341), (651, 333815), (1085, 200289), (3255, 66763)]