1291278105

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245257}}^1$

素因数の和:245287

約数の個数: 40

約数和(自身を含む): 2492802312

約数和(自身を除く): 1201524207

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 245257, 735771, 1226285, 2207313, 3188341, 3678855, 6621939, 9565023, 11036565, 15941705, 19865817, 28695069, 33109695, 47825115, 86085207, 99329085, 143475345, 258255621, 430426035, 1291278105]

約数ペア:

[(1, 1291278105), (3, 430426035), (5, 258255621), (9, 143475345), (13, 99329085), (15, 86085207), (27, 47825115), (39, 33109695), (45, 28695069), (65, 19865817), (81, 15941705), (117, 11036565), (135, 9565023), (195, 6621939), (351, 3678855), (405, 3188341), (585, 2207313), (1053, 1226285), (1755, 735771), (5265, 245257)]