51941721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 78059520

約数和(自身を除く): 26117799

約数列:

[1, 3, 13, 39, 43, 47, 129, 141, 559, 611, 659, 1677, 1833, 1977, 2021, 6063, 8567, 25701, 26273, 28337, 30973, 78819, 85011, 92919, 368381, 402649, 1105143, 1207947, 1331839, 3995517, 17313907, 51941721]

約数ペア:

[(1, 51941721), (3, 17313907), (13, 3995517), (39, 1331839), (43, 1207947), (47, 1105143), (129, 402649), (141, 368381), (559, 92919), (611, 85011), (659, 78819), (1677, 30973), (1833, 28337), (1977, 26273), (2021, 25701), (6063, 8567)]