81564045

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{641}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 138672000

約数和(自身を除く): 57107955

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 499, 641, 1497, 1923, 2495, 3205, 7485, 8483, 9615, 10897, 25449, 32691, 42415, 54485, 127245, 163455, 319859, 959577, 1599295, 4797885, 5437603, 16312809, 27188015, 81564045]

約数ペア:

[(1, 81564045), (3, 27188015), (5, 16312809), (15, 5437603), (17, 4797885), (51, 1599295), (85, 959577), (255, 319859), (499, 163455), (641, 127245), (1497, 54485), (1923, 42415), (2495, 32691), (3205, 25449), (7485, 10897), (8483, 9615)]