51198921

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 75613824

約数和(自身を除く): 24414903

約数列:

[1, 3, 9, 67, 197, 201, 431, 591, 603, 1293, 1773, 3879, 13199, 28877, 39597, 84907, 86631, 118791, 254721, 259893, 764163, 5688769, 17066307, 51198921]

約数ペア:

[(1, 51198921), (3, 17066307), (9, 5688769), (67, 764163), (197, 259893), (201, 254721), (431, 118791), (591, 86631), (603, 84907), (1293, 39597), (1773, 28877), (3879, 13199)]