238963209

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 343388160

約数和(自身を除く): 104424951

約数列:

[1, 3, 19, 57, 71, 137, 213, 411, 431, 1293, 1349, 2603, 4047, 7809, 8189, 9727, 24567, 29181, 30601, 59047, 91803, 177141, 184813, 554439, 581419, 1121893, 1744257, 3365679, 4192337, 12577011, 79654403, 238963209]

約数ペア:

[(1, 238963209), (3, 79654403), (19, 12577011), (57, 4192337), (71, 3365679), (137, 1744257), (213, 1121893), (411, 581419), (431, 554439), (1293, 184813), (1349, 177141), (2603, 91803), (4047, 59047), (7809, 30601), (8189, 29181), (9727, 24567)]