28451865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2473}}^1$

素因数の和:2553

約数の個数: 32

約数和(自身を含む): 49875840

約数和(自身を除く): 21423975

約数列:

[1, 3, 5, 13, 15, 39, 59, 65, 177, 195, 295, 767, 885, 2301, 2473, 3835, 7419, 11505, 12365, 32149, 37095, 96447, 145907, 160745, 437721, 482235, 729535, 1896791, 2188605, 5690373, 9483955, 28451865]

約数ペア:

[(1, 28451865), (3, 9483955), (5, 5690373), (13, 2188605), (15, 1896791), (39, 729535), (59, 482235), (65, 437721), (177, 160745), (195, 145907), (295, 96447), (767, 37095), (885, 32149), (2301, 12365), (2473, 11505), (3835, 7419)]