3908121

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1249}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 6000000

約数和(自身を除く): 2091879

約数列:

[1, 3, 7, 21, 149, 447, 1043, 1249, 3129, 3747, 8743, 26229, 186101, 558303, 1302707, 3908121]

約数ペア:

[(1, 3908121), (3, 1302707), (7, 558303), (21, 186101), (149, 26229), (447, 8743), (1043, 3747), (1249, 3129)]