291246291

素因数分解:

$3^2\times 7^1\times {\mathrm{2089}}^1\times {\mathrm{2213}}^1$

素因数の和:4315

約数の個数: 24

約数和(自身を含む): 481235040

約数和(自身を除く): 189988749

約数列:

[1, 3, 7, 9, 21, 63, 2089, 2213, 6267, 6639, 14623, 15491, 18801, 19917, 43869, 46473, 131607, 139419, 4622957, 13868871, 32360699, 41606613, 97082097, 291246291]

約数ペア:

[(1, 291246291), (3, 97082097), (7, 41606613), (9, 32360699), (21, 13868871), (63, 4622957), (2089, 139419), (2213, 131607), (6267, 46473), (6639, 43869), (14623, 19917), (15491, 18801)]