17721201

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3251}}^1$

素因数の和:3356

約数の個数: 16

約数和(自身を含む): 24975360

約数和(自身を除く): 7254159

約数列:

[1, 3, 23, 69, 79, 237, 1817, 3251, 5451, 9753, 74773, 224319, 256829, 770487, 5907067, 17721201]

約数ペア:

[(1, 17721201), (3, 5907067), (23, 770487), (69, 256829), (79, 224319), (237, 74773), (1817, 9753), (3251, 5451)]