81398835

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3271}}^1$

素因数の和:3368

約数の個数: 48

約数和(自身を含む): 163338240

約数和(自身を除く): 81939405

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 79, 105, 237, 315, 395, 553, 711, 1185, 1659, 2765, 3271, 3555, 4977, 8295, 9813, 16355, 22897, 24885, 29439, 49065, 68691, 114485, 147195, 206073, 258409, 343455, 775227, 1030365, 1292045, 1808863, 2325681, 3876135, 5426589, 9044315, 11628405, 16279767, 27132945, 81398835]

約数ペア:

[(1, 81398835), (3, 27132945), (5, 16279767), (7, 11628405), (9, 9044315), (15, 5426589), (21, 3876135), (35, 2325681), (45, 1808863), (63, 1292045), (79, 1030365), (105, 775227), (237, 343455), (315, 258409), (395, 206073), (553, 147195), (711, 114485), (1185, 68691), (1659, 49065), (2765, 29439), (3271, 24885), (3555, 22897), (4977, 16355), (8295, 9813)]