25077987

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 40752504

約数和(自身を除く): 15674517

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 137, 387, 411, 473, 1233, 1419, 1507, 1849, 4257, 4521, 5547, 5891, 13563, 16641, 17673, 20339, 53019, 61017, 64801, 183051, 194403, 253313, 583209, 759939, 2279817, 2786443, 8359329, 25077987]

約数ペア:

[(1, 25077987), (3, 8359329), (9, 2786443), (11, 2279817), (33, 759939), (43, 583209), (99, 253313), (129, 194403), (137, 183051), (387, 64801), (411, 61017), (473, 53019), (1233, 20339), (1419, 17673), (1507, 16641), (1849, 13563), (4257, 5891), (4521, 5547)]