247942407

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{3533}}^1$

素因数の和:3842

約数の個数: 16

約数和(自身を含む): 335023200

約数和(自身を除く): 87080793

約数列:

[1, 3, 149, 157, 447, 471, 3533, 10599, 23393, 70179, 526417, 554681, 1579251, 1664043, 82647469, 247942407]

約数ペア:

[(1, 247942407), (3, 82647469), (149, 1664043), (157, 1579251), (447, 554681), (471, 526417), (3533, 70179), (10599, 23393)]