261337905

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{187339}}^1$

素因数の和:187381

約数の個数: 24

約数和(自身を含む): 467600640

約数和(自身を除く): 206262735

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 187339, 562017, 936695, 1686051, 2810085, 5807509, 8430255, 17422527, 29037545, 52267581, 87112635, 261337905]

約数ペア:

[(1, 261337905), (3, 87112635), (5, 52267581), (9, 29037545), (15, 17422527), (31, 8430255), (45, 5807509), (93, 2810085), (155, 1686051), (279, 936695), (465, 562017), (1395, 187339)]