81609385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 115944192

約数和(自身を除く): 34334807

約数列:

[1, 5, 11, 13, 55, 65, 143, 157, 715, 727, 785, 1727, 2041, 3635, 7997, 8635, 9451, 10205, 22451, 39985, 47255, 103961, 112255, 114139, 519805, 570695, 1255529, 1483807, 6277645, 7419035, 16321877, 81609385]

約数ペア:

[(1, 81609385), (5, 16321877), (11, 7419035), (13, 6277645), (55, 1483807), (65, 1255529), (143, 570695), (157, 519805), (715, 114139), (727, 112255), (785, 103961), (1727, 47255), (2041, 39985), (3635, 22451), (7997, 10205), (8635, 9451)]