289646877

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1\times {\mathrm{3719}}^1$

素因数の和:5732

約数の個数: 16

約数和(自身を含む): 416223360

約数和(自身を除く): 126576483

約数列:

[1, 3, 13, 39, 1997, 3719, 5991, 11157, 25961, 48347, 77883, 145041, 7426843, 22280529, 96548959, 289646877]

約数ペア:

[(1, 289646877), (3, 96548959), (13, 22280529), (39, 7426843), (1997, 145041), (3719, 77883), (5991, 48347), (11157, 25961)]