201912249

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21319}}^1$

素因数の和:21381

約数の個数: 32

約数和(自身を含む): 343848960

約数和(自身を除く): 141936711

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 3157, 9471, 21319, 63957, 149233, 234509, 447699, 703527, 874079, 1641563, 2622237, 4924689, 6118553, 9614869, 18355659, 28844607, 67304083, 201912249]

約数ペア:

[(1, 201912249), (3, 67304083), (7, 28844607), (11, 18355659), (21, 9614869), (33, 6118553), (41, 4924689), (77, 2622237), (123, 1641563), (231, 874079), (287, 703527), (451, 447699), (861, 234509), (1353, 149233), (3157, 63957), (9471, 21319)]