81893805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{5693}}^1$

素因数の和:5845

約数の個数: 32

約数和(自身を含む): 150868224

約数和(自身を除く): 68974419

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 137, 411, 685, 959, 2055, 2877, 4795, 5693, 14385, 17079, 28465, 39851, 85395, 119553, 199255, 597765, 779941, 2339823, 3899705, 5459587, 11699115, 16378761, 27297935, 81893805]

約数ペア:

[(1, 81893805), (3, 27297935), (5, 16378761), (7, 11699115), (15, 5459587), (21, 3899705), (35, 2339823), (105, 779941), (137, 597765), (411, 199255), (685, 119553), (959, 85395), (2055, 39851), (2877, 28465), (4795, 17079), (5693, 14385)]