253991667

素因数分解:

$3^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1\times {\mathrm{977}}^1$

素因数の和:1622

約数の個数: 16

約数和(自身を含む): 341517600

約数和(自身を除く): 87525933

約数列:

[1, 3, 193, 449, 579, 977, 1347, 2931, 86657, 188561, 259971, 438673, 565683, 1316019, 84663889, 253991667]

約数ペア:

[(1, 253991667), (3, 84663889), (193, 1316019), (449, 565683), (579, 438673), (977, 259971), (1347, 188561), (2931, 86657)]