668832939

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{659}}^1\times {\mathrm{4903}}^1$

素因数の和:5591

約数の個数: 24

約数和(自身を含む): 1009831680

約数和(自身を除く): 340998741

約数列:

[1, 3, 9, 23, 69, 207, 659, 1977, 4903, 5931, 14709, 15157, 44127, 45471, 112769, 136413, 338307, 1014921, 3231077, 9693231, 29079693, 74314771, 222944313, 668832939]

約数ペア:

[(1, 668832939), (3, 222944313), (9, 74314771), (23, 29079693), (69, 9693231), (207, 3231077), (659, 1014921), (1977, 338307), (4903, 136413), (5931, 112769), (14709, 45471), (15157, 44127)]