27909245

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61339}}^1$

素因数の和:61364

約数の個数: 16

約数和(自身を含む): 41220480

約数和(自身を除く): 13311235

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 61339, 306695, 429373, 797407, 2146865, 3987035, 5581849, 27909245]

約数ペア:

[(1, 27909245), (5, 5581849), (7, 3987035), (13, 2146865), (35, 797407), (65, 429373), (91, 306695), (455, 61339)]