51428961

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2141}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 79194024

約数和(自身を除く): 27765063

約数列:

[1, 3, 9, 17, 51, 153, 157, 471, 1413, 2141, 2669, 6423, 8007, 19269, 24021, 36397, 109191, 327573, 336137, 1008411, 3025233, 5714329, 17142987, 51428961]

約数ペア:

[(1, 51428961), (3, 17142987), (9, 5714329), (17, 3025233), (51, 1008411), (153, 336137), (157, 327573), (471, 109191), (1413, 36397), (2141, 24021), (2669, 19269), (6423, 8007)]