64851975

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3313}}^1$

素因数の和:3361

約数の個数: 48

約数和(自身を含む): 123280800

約数和(自身を除く): 58428825

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 675, 725, 783, 1305, 2175, 3313, 3915, 6525, 9939, 16565, 19575, 29817, 49695, 82825, 89451, 96077, 149085, 248475, 288231, 447255, 480385, 745425, 864693, 1441155, 2236275, 2401925, 2594079, 4323465, 7205775, 12970395, 21617325, 64851975]

約数ペア:

[(1, 64851975), (3, 21617325), (5, 12970395), (9, 7205775), (15, 4323465), (25, 2594079), (27, 2401925), (29, 2236275), (45, 1441155), (75, 864693), (87, 745425), (135, 480385), (145, 447255), (225, 288231), (261, 248475), (435, 149085), (675, 96077), (725, 89451), (783, 82825), (1305, 49695), (2175, 29817), (3313, 19575), (3915, 16565), (6525, 9939)]