81146475

素因数分解:

$3^3\times 5^2\times {\mathrm{239}}^1\times {\mathrm{503}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 149990400

約数和(自身を除く): 68843925

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 239, 503, 675, 717, 1195, 1509, 2151, 2515, 3585, 4527, 5975, 6453, 7545, 10755, 12575, 13581, 17925, 22635, 32265, 37725, 53775, 67905, 113175, 120217, 161325, 339525, 360651, 601085, 1081953, 1803255, 3005425, 3245859, 5409765, 9016275, 16229295, 27048825, 81146475]

約数ペア:

[(1, 81146475), (3, 27048825), (5, 16229295), (9, 9016275), (15, 5409765), (25, 3245859), (27, 3005425), (45, 1803255), (75, 1081953), (135, 601085), (225, 360651), (239, 339525), (503, 161325), (675, 120217), (717, 113175), (1195, 67905), (1509, 53775), (2151, 37725), (2515, 32265), (3585, 22635), (4527, 17925), (5975, 13581), (6453, 12575), (7545, 10755)]