143393991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 211522752

約数和(自身を除く): 68128761

約数列:

[1, 3, 13, 39, 53, 159, 173, 401, 519, 689, 1203, 2067, 2249, 5213, 6747, 9169, 15639, 21253, 27507, 63759, 69373, 119197, 208119, 276289, 357591, 828867, 901849, 2705547, 3676769, 11030307, 47797997, 143393991]

約数ペア:

[(1, 143393991), (3, 47797997), (13, 11030307), (39, 3676769), (53, 2705547), (159, 901849), (173, 828867), (401, 357591), (519, 276289), (689, 208119), (1203, 119197), (2067, 69373), (2249, 63759), (5213, 27507), (6747, 21253), (9169, 15639)]