20188197

素因数分解:

$3^8\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:222

約数の個数: 36

約数和(自身を含む): 32239116

約数和(自身を除く): 12050919

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 181, 243, 459, 543, 729, 1377, 1629, 2187, 3077, 4131, 4887, 6561, 9231, 12393, 14661, 27693, 37179, 43983, 83079, 111537, 131949, 249237, 395847, 747711, 1187541, 2243133, 6729399, 20188197]

約数ペア:

[(1, 20188197), (3, 6729399), (9, 2243133), (17, 1187541), (27, 747711), (51, 395847), (81, 249237), (153, 131949), (181, 111537), (243, 83079), (459, 43983), (543, 37179), (729, 27693), (1377, 14661), (1629, 12393), (2187, 9231), (3077, 6561), (4131, 4887)]