18540927

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 28454400

約数和(自身を除く): 9913473

約数列:

[1, 3, 9, 27, 59, 103, 113, 177, 309, 339, 531, 927, 1017, 1593, 2781, 3051, 6077, 6667, 11639, 18231, 20001, 34917, 54693, 60003, 104751, 164079, 180009, 314253, 686701, 2060103, 6180309, 18540927]

約数ペア:

[(1, 18540927), (3, 6180309), (9, 2060103), (27, 686701), (59, 314253), (103, 180009), (113, 164079), (177, 104751), (309, 60003), (339, 54693), (531, 34917), (927, 20001), (1017, 18231), (1593, 11639), (2781, 6667), (3051, 6077)]