18069399

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 40

約数和(自身を含む): 29040000

約数和(自身を除く): 10970601

約数列:

[1, 3, 9, 19, 27, 57, 59, 81, 171, 177, 199, 513, 531, 597, 1121, 1539, 1593, 1791, 3363, 3781, 4779, 5373, 10089, 11343, 11741, 16119, 30267, 34029, 35223, 90801, 102087, 105669, 223079, 306261, 317007, 669237, 951021, 2007711, 6023133, 18069399]

約数ペア:

[(1, 18069399), (3, 6023133), (9, 2007711), (19, 951021), (27, 669237), (57, 317007), (59, 306261), (81, 223079), (171, 105669), (177, 102087), (199, 90801), (513, 35223), (531, 34029), (597, 30267), (1121, 16119), (1539, 11741), (1593, 11343), (1791, 10089), (3363, 5373), (3781, 4779)]