81330795

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19861}}^1$

素因数の和:19892

約数の個数: 48

約数和(自身を含む): 173514432

約数和(自身を除く): 92183637

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 19861, 59583, 99305, 139027, 178749, 258193, 297915, 417081, 695135, 774579, 893745, 1251243, 1290965, 1807351, 2085405, 2323737, 3872895, 5422053, 6256215, 9036755, 11618685, 16266159, 27110265, 81330795]

約数ペア:

[(1, 81330795), (3, 27110265), (5, 16266159), (7, 11618685), (9, 9036755), (13, 6256215), (15, 5422053), (21, 3872895), (35, 2323737), (39, 2085405), (45, 1807351), (63, 1290965), (65, 1251243), (91, 893745), (105, 774579), (117, 695135), (195, 417081), (273, 297915), (315, 258193), (455, 178749), (585, 139027), (819, 99305), (1365, 59583), (4095, 19861)]