1279689975

素因数分解:

$3^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{17393}}^1$

素因数の和:17521

約数の個数: 48

約数和(自身を含む): 2372541600

約数和(自身を除く): 1092851625

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 109, 135, 225, 327, 545, 675, 981, 1635, 2725, 2943, 4905, 8175, 14715, 17393, 24525, 52179, 73575, 86965, 156537, 260895, 434825, 469611, 782685, 1304475, 1895837, 2348055, 3913425, 5687511, 9479185, 11740275, 17062533, 28437555, 47395925, 51187599, 85312665, 142187775, 255937995, 426563325, 1279689975]

約数ペア:

[(1, 1279689975), (3, 426563325), (5, 255937995), (9, 142187775), (15, 85312665), (25, 51187599), (27, 47395925), (45, 28437555), (75, 17062533), (109, 11740275), (135, 9479185), (225, 5687511), (327, 3913425), (545, 2348055), (675, 1895837), (981, 1304475), (1635, 782685), (2725, 469611), (2943, 434825), (4905, 260895), (8175, 156537), (14715, 86965), (17393, 73575), (24525, 52179)]