51227775

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2617}}^1$

素因数の和:2665

約数の個数: 48

約数和(自身を含む): 97389600

約数和(自身を除く): 46161825

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 675, 725, 783, 1305, 2175, 2617, 3915, 6525, 7851, 13085, 19575, 23553, 39255, 65425, 70659, 75893, 117765, 196275, 227679, 353295, 379465, 588825, 683037, 1138395, 1766475, 1897325, 2049111, 3415185, 5691975, 10245555, 17075925, 51227775]

約数ペア:

[(1, 51227775), (3, 17075925), (5, 10245555), (9, 5691975), (15, 3415185), (25, 2049111), (27, 1897325), (29, 1766475), (45, 1138395), (75, 683037), (87, 588825), (135, 379465), (145, 353295), (225, 227679), (261, 196275), (435, 117765), (675, 75893), (725, 70659), (783, 65425), (1305, 39255), (2175, 23553), (2617, 19575), (3915, 13085), (6525, 7851)]