205703913

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 289382400

約数和(自身を除く): 83678487

約数列:

[1, 3, 47, 59, 79, 141, 177, 237, 313, 939, 2773, 3713, 4661, 8319, 11139, 13983, 14711, 18467, 24727, 44133, 55401, 74181, 219067, 657201, 867949, 1162169, 1458893, 2603847, 3486507, 4376679, 68567971, 205703913]

約数ペア:

[(1, 205703913), (3, 68567971), (47, 4376679), (59, 3486507), (79, 2603847), (141, 1458893), (177, 1162169), (237, 867949), (313, 657201), (939, 219067), (2773, 74181), (3713, 55401), (4661, 44133), (8319, 24727), (11139, 18467), (13983, 14711)]