68651895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15307}}^1$

素因数の和:15351

約数の個数: 32

約数和(自身を含む): 123443712

約数和(自身を除く): 54791817

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 15307, 45921, 76535, 198991, 229605, 352061, 596973, 994955, 1056183, 1760305, 2984865, 4576793, 5280915, 13730379, 22883965, 68651895]

約数ペア:

[(1, 68651895), (3, 22883965), (5, 13730379), (13, 5280915), (15, 4576793), (23, 2984865), (39, 1760305), (65, 1056183), (69, 994955), (115, 596973), (195, 352061), (299, 229605), (345, 198991), (897, 76535), (1495, 45921), (4485, 15307)]