2019426795

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{503}}^1$

素因数の和:974

約数の個数: 80

約数和(自身を含む): 3793692672

約数和(自身を除く): 1774265877

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 431, 503, 621, 1035, 1293, 1509, 1863, 2155, 2515, 3105, 3879, 4527, 6465, 7545, 9315, 9913, 11569, 11637, 13581, 19395, 22635, 29739, 34707, 34911, 40743, 49565, 57845, 58185, 67905, 89217, 104121, 148695, 173535, 174555, 203715, 216793, 267651, 312363, 446085, 520605, 650379, 802953, 937089, 1083965, 1338255, 1561815, 1951137, 3251895, 4014765, 4685445, 4986239, 5853411, 9755685, 14958717, 17560233, 24931195, 29267055, 44876151, 74793585, 87801165, 134628453, 224380755, 403885359, 673142265, 2019426795]

約数ペア:

[(1, 2019426795), (3, 673142265), (5, 403885359), (9, 224380755), (15, 134628453), (23, 87801165), (27, 74793585), (45, 44876151), (69, 29267055), (81, 24931195), (115, 17560233), (135, 14958717), (207, 9755685), (345, 5853411), (405, 4986239), (431, 4685445), (503, 4014765), (621, 3251895), (1035, 1951137), (1293, 1561815), (1509, 1338255), (1863, 1083965), (2155, 937089), (2515, 802953), (3105, 650379), (3879, 520605), (4527, 446085), (6465, 312363), (7545, 267651), (9315, 216793), (9913, 203715), (11569, 174555), (11637, 173535), (13581, 148695), (19395, 104121), (22635, 89217), (29739, 67905), (34707, 58185), (34911, 57845), (40743, 49565)]