204309

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:86

約数の個数: 32

約数和(自身を含む): 368640

約数和(自身を除く): 164331

約数列:

[1, 3, 7, 9, 21, 23, 27, 47, 63, 69, 141, 161, 189, 207, 329, 423, 483, 621, 987, 1081, 1269, 1449, 2961, 3243, 4347, 7567, 8883, 9729, 22701, 29187, 68103, 204309]

約数ペア:

[(1, 204309), (3, 68103), (7, 29187), (9, 22701), (21, 9729), (23, 8883), (27, 7567), (47, 4347), (63, 3243), (69, 2961), (141, 1449), (161, 1269), (189, 1081), (207, 987), (329, 621), (423, 483)]