20750925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21283}}^1$

素因数の和:21309

約数の個数: 24

約数和(自身を含む): 36949024

約数和(自身を除く): 16198099

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 21283, 63849, 106415, 276679, 319245, 532075, 830037, 1383395, 1596225, 4150185, 6916975, 20750925]

約数ペア:

[(1, 20750925), (3, 6916975), (5, 4150185), (13, 1596225), (15, 1383395), (25, 830037), (39, 532075), (65, 319245), (75, 276679), (195, 106415), (325, 63849), (975, 21283)]