281686437

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{70019}}^1$

素因数の和:70177

約数の個数: 16

約数和(自身を含む): 420120000

約数和(自身を除く): 138433563

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 70019, 210057, 630171, 1890513, 10432831, 31298493, 93895479, 281686437]

約数ペア:

[(1, 281686437), (3, 93895479), (9, 31298493), (27, 10432831), (149, 1890513), (447, 630171), (1341, 210057), (4023, 70019)]