25284555

素因数分解:

$3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:585

約数の個数: 40

約数和(自身を含む): 45738000

約数和(自身を除く): 20453445

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 149, 405, 419, 447, 745, 1257, 1341, 2095, 2235, 3771, 4023, 6285, 6705, 11313, 12069, 18855, 20115, 33939, 56565, 60345, 62431, 169695, 187293, 312155, 561879, 936465, 1685637, 2809395, 5056911, 8428185, 25284555]

約数ペア:

[(1, 25284555), (3, 8428185), (5, 5056911), (9, 2809395), (15, 1685637), (27, 936465), (45, 561879), (81, 312155), (135, 187293), (149, 169695), (405, 62431), (419, 60345), (447, 56565), (745, 33939), (1257, 20115), (1341, 18855), (2095, 12069), (2235, 11313), (3771, 6705), (4023, 6285)]