647702601

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2083}}^1$

素因数の和:2190

約数の個数: 64

約数和(自身を含む): 1142765568

約数和(自身を除く): 495062967

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 67, 91, 119, 201, 221, 273, 357, 469, 663, 871, 1139, 1407, 1547, 2083, 2613, 3417, 4641, 6097, 6249, 7973, 14581, 14807, 18291, 23919, 27079, 35411, 43743, 44421, 81237, 103649, 106233, 139561, 189553, 247877, 310947, 418683, 460343, 568659, 743631, 976927, 1381029, 1814293, 2372537, 2930781, 3222401, 5442879, 7117611, 9667203, 12700051, 16607759, 30842981, 38100153, 49823277, 92528943, 215900867, 647702601]

約数ペア:

[(1, 647702601), (3, 215900867), (7, 92528943), (13, 49823277), (17, 38100153), (21, 30842981), (39, 16607759), (51, 12700051), (67, 9667203), (91, 7117611), (119, 5442879), (201, 3222401), (221, 2930781), (273, 2372537), (357, 1814293), (469, 1381029), (663, 976927), (871, 743631), (1139, 568659), (1407, 460343), (1547, 418683), (2083, 310947), (2613, 247877), (3417, 189553), (4641, 139561), (6097, 106233), (6249, 103649), (7973, 81237), (14581, 44421), (14807, 43743), (18291, 35411), (23919, 27079)]