55057821

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 94074624

約数和(自身を除く): 39016803

約数列:

[1, 3, 7, 13, 21, 39, 47, 49, 91, 141, 147, 273, 329, 611, 613, 637, 987, 1833, 1839, 1911, 2303, 4277, 4291, 6909, 7969, 12831, 12873, 23907, 28811, 29939, 30037, 55783, 86433, 89817, 90111, 167349, 201677, 374543, 390481, 605031, 1123629, 1171443, 1411739, 2621801, 4235217, 7865403, 18352607, 55057821]

約数ペア:

[(1, 55057821), (3, 18352607), (7, 7865403), (13, 4235217), (21, 2621801), (39, 1411739), (47, 1171443), (49, 1123629), (91, 605031), (141, 390481), (147, 374543), (273, 201677), (329, 167349), (611, 90111), (613, 89817), (637, 86433), (987, 55783), (1833, 30037), (1839, 29939), (1911, 28811), (2303, 23907), (4277, 12873), (4291, 12831), (6909, 7969)]