404050899

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{929}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 624960000

約数和(自身を除く): 220909101

約数列:

[1, 3, 7, 21, 139, 149, 417, 447, 929, 973, 1043, 2787, 2919, 3129, 6503, 19509, 20711, 62133, 129131, 138421, 144977, 387393, 415263, 434931, 903917, 968947, 2711751, 2906841, 19240519, 57721557, 134683633, 404050899]

約数ペア:

[(1, 404050899), (3, 134683633), (7, 57721557), (21, 19240519), (139, 2906841), (149, 2711751), (417, 968947), (447, 903917), (929, 434931), (973, 415263), (1043, 387393), (2787, 144977), (2919, 138421), (3129, 129131), (6503, 62133), (19509, 20711)]