86778471

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 131604480

約数和(自身を除く): 44826009

約数列:

[1, 3, 13, 23, 39, 69, 89, 267, 299, 897, 1087, 1157, 2047, 3261, 3471, 6141, 14131, 25001, 26611, 42393, 75003, 79833, 96743, 290229, 325013, 975039, 1257659, 2225089, 3772977, 6675267, 28926157, 86778471]

約数ペア:

[(1, 86778471), (3, 28926157), (13, 6675267), (23, 3772977), (39, 2225089), (69, 1257659), (89, 975039), (267, 325013), (299, 290229), (897, 96743), (1087, 79833), (1157, 75003), (2047, 42393), (3261, 26611), (3471, 25001), (6141, 14131)]