81628236

素因数分解:

$2^2\times 3^4\times {\mathrm{251939}}^1$

素因数の和:251955

約数の個数: 30

約数和(自身を含む): 213393180

約数和(自身を除く): 131764944

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 251939, 503878, 755817, 1007756, 1511634, 2267451, 3023268, 4534902, 6802353, 9069804, 13604706, 20407059, 27209412, 40814118, 81628236]

約数ペア:

[(1, 81628236), (2, 40814118), (3, 27209412), (4, 20407059), (6, 13604706), (9, 9069804), (12, 6802353), (18, 4534902), (27, 3023268), (36, 2267451), (54, 1511634), (81, 1007756), (108, 755817), (162, 503878), (324, 251939)]