25854885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 51592320

約数和(自身を除く): 25737435

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 211, 315, 389, 633, 1055, 1167, 1477, 1899, 1945, 2723, 3165, 3501, 4431, 5835, 7385, 8169, 9495, 13293, 13615, 17505, 22155, 24507, 40845, 66465, 82079, 122535, 246237, 410395, 574553, 738711, 1231185, 1723659, 2872765, 3693555, 5170977, 8618295, 25854885]

約数ペア:

[(1, 25854885), (3, 8618295), (5, 5170977), (7, 3693555), (9, 2872765), (15, 1723659), (21, 1231185), (35, 738711), (45, 574553), (63, 410395), (105, 246237), (211, 122535), (315, 82079), (389, 66465), (633, 40845), (1055, 24507), (1167, 22155), (1477, 17505), (1899, 13615), (1945, 13293), (2723, 9495), (3165, 8169), (3501, 7385), (4431, 5835)]