217394013

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1\times {\mathrm{2801}}^1$

素因数の和:3476

約数の個数: 16

約数和(自身を含む): 297505152

約数和(自身を除く): 80111139

約数列:

[1, 3, 41, 123, 631, 1893, 2801, 8403, 25871, 77613, 114841, 344523, 1767431, 5302293, 72464671, 217394013]

約数ペア:

[(1, 217394013), (3, 72464671), (41, 5302293), (123, 1767431), (631, 344523), (1893, 114841), (2801, 77613), (8403, 25871)]