28758717

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10687}}^1$

素因数の和:10729

約数の個数: 24

約数和(自身を含む): 46685184

約数和(自身を除く): 17926467

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 10687, 32061, 96183, 138931, 245801, 416793, 737403, 1250379, 2212209, 3195413, 9586239, 28758717]

約数ペア:

[(1, 28758717), (3, 9586239), (9, 3195413), (13, 2212209), (23, 1250379), (39, 737403), (69, 416793), (117, 245801), (207, 138931), (299, 96183), (897, 32061), (2691, 10687)]