15965105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 22014720

約数和(自身を除く): 6049615

約数列:

[1, 5, 13, 23, 59, 65, 115, 181, 295, 299, 767, 905, 1357, 1495, 2353, 3835, 4163, 6785, 10679, 11765, 17641, 20815, 53395, 54119, 88205, 138827, 245617, 270595, 694135, 1228085, 3193021, 15965105]

約数ペア:

[(1, 15965105), (5, 3193021), (13, 1228085), (23, 694135), (59, 270595), (65, 245617), (115, 138827), (181, 88205), (295, 54119), (299, 53395), (767, 20815), (905, 17641), (1357, 11765), (1495, 10679), (2353, 6785), (3835, 4163)]