51316215

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 84756672

約数和(自身を除く): 33440457

約数列:

[1, 3, 5, 15, 41, 123, 181, 205, 461, 543, 615, 905, 1383, 2305, 2715, 6915, 7421, 18901, 22263, 37105, 56703, 83441, 94505, 111315, 250323, 283515, 417205, 1251615, 3421081, 10263243, 17105405, 51316215]

約数ペア:

[(1, 51316215), (3, 17105405), (5, 10263243), (15, 3421081), (41, 1251615), (123, 417205), (181, 283515), (205, 250323), (461, 111315), (543, 94505), (615, 83441), (905, 56703), (1383, 37105), (2305, 22263), (2715, 18901), (6915, 7421)]