12690315

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 24800256

約数和(自身を除く): 12109941

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 279, 341, 465, 495, 827, 1023, 1395, 1705, 2481, 3069, 4135, 5115, 7443, 9097, 12405, 15345, 25637, 27291, 37215, 45485, 76911, 81873, 128185, 136455, 230733, 282007, 384555, 409365, 846021, 1153665, 1410035, 2538063, 4230105, 12690315]

約数ペア:

[(1, 12690315), (3, 4230105), (5, 2538063), (9, 1410035), (11, 1153665), (15, 846021), (31, 409365), (33, 384555), (45, 282007), (55, 230733), (93, 136455), (99, 128185), (155, 81873), (165, 76911), (279, 45485), (341, 37215), (465, 27291), (495, 25637), (827, 15345), (1023, 12405), (1395, 9097), (1705, 7443), (2481, 5115), (3069, 4135)]