209040021

素因数分解:

$3^8\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:386

約数の個数: 36

約数和(自身を含む): 317116384

約数和(自身を除く): 108076363

約数列:

[1, 3, 9, 27, 81, 151, 211, 243, 453, 633, 729, 1359, 1899, 2187, 4077, 5697, 6561, 12231, 17091, 31861, 36693, 51273, 95583, 110079, 153819, 286749, 330237, 461457, 860247, 990711, 1384371, 2580741, 7742223, 23226669, 69680007, 209040021]

約数ペア:

[(1, 209040021), (3, 69680007), (9, 23226669), (27, 7742223), (81, 2580741), (151, 1384371), (211, 990711), (243, 860247), (453, 461457), (633, 330237), (729, 286749), (1359, 153819), (1899, 110079), (2187, 95583), (4077, 51273), (5697, 36693), (6561, 31861), (12231, 17091)]