77381025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 136759104

約数和(自身を除く): 59378079

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 137, 255, 411, 425, 443, 685, 1275, 1329, 2055, 2215, 2329, 3425, 6645, 6987, 7531, 10275, 11075, 11645, 22593, 33225, 34935, 37655, 58225, 60691, 112965, 174675, 182073, 188275, 303455, 564825, 910365, 1031747, 1517275, 3095241, 4551825, 5158735, 15476205, 25793675, 77381025]

約数ペア:

[(1, 77381025), (3, 25793675), (5, 15476205), (15, 5158735), (17, 4551825), (25, 3095241), (51, 1517275), (75, 1031747), (85, 910365), (137, 564825), (255, 303455), (411, 188275), (425, 182073), (443, 174675), (685, 112965), (1275, 60691), (1329, 58225), (2055, 37655), (2215, 34935), (2329, 33225), (3425, 22593), (6645, 11645), (6987, 11075), (7531, 10275)]