39891825

素因数分解:

$3^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{523}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 74072640

約数和(自身を除く): 34180815

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 113, 135, 225, 339, 523, 565, 675, 1017, 1569, 1695, 2615, 2825, 3051, 4707, 5085, 7845, 8475, 13075, 14121, 15255, 23535, 25425, 39225, 59099, 70605, 76275, 117675, 177297, 295495, 353025, 531891, 886485, 1477475, 1595673, 2659455, 4432425, 7978365, 13297275, 39891825]

約数ペア:

[(1, 39891825), (3, 13297275), (5, 7978365), (9, 4432425), (15, 2659455), (25, 1595673), (27, 1477475), (45, 886485), (75, 531891), (113, 353025), (135, 295495), (225, 177297), (339, 117675), (523, 76275), (565, 70605), (675, 59099), (1017, 39225), (1569, 25425), (1695, 23535), (2615, 15255), (2825, 14121), (3051, 13075), (4707, 8475), (5085, 7845)]