81445215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10303}}^1$

素因数の和:10359

約数の個数: 32

約数和(自身を含む): 142442496

約数和(自身を除く): 60997281

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 7905, 10303, 30909, 51515, 154545, 175151, 319393, 525453, 875755, 958179, 1596965, 2627265, 4790895, 5429681, 16289043, 27148405, 81445215]

約数ペア:

[(1, 81445215), (3, 27148405), (5, 16289043), (15, 5429681), (17, 4790895), (31, 2627265), (51, 1596965), (85, 958179), (93, 875755), (155, 525453), (255, 319393), (465, 175151), (527, 154545), (1581, 51515), (2635, 30909), (7905, 10303)]