81232335

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20749}}^1$

素因数の和:20792

約数の個数: 32

約数和(自身を含む): 149400000

約数和(自身を除く): 68167665

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 20749, 62247, 103745, 186741, 311235, 560223, 601721, 933705, 1805163, 2801115, 3008605, 5415489, 9025815, 16246467, 27077445, 81232335]

約数ペア:

[(1, 81232335), (3, 27077445), (5, 16246467), (9, 9025815), (15, 5415489), (27, 3008605), (29, 2801115), (45, 1805163), (87, 933705), (135, 601721), (145, 560223), (261, 311235), (435, 186741), (783, 103745), (1305, 62247), (3915, 20749)]