18686145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{577}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 31961088

約数和(自身を除く): 13274943

約数列:

[1, 3, 5, 15, 17, 51, 85, 127, 255, 381, 577, 635, 1731, 1905, 2159, 2885, 6477, 8655, 9809, 10795, 29427, 32385, 49045, 73279, 147135, 219837, 366395, 1099185, 1245743, 3737229, 6228715, 18686145]

約数ペア:

[(1, 18686145), (3, 6228715), (5, 3737229), (15, 1245743), (17, 1099185), (51, 366395), (85, 219837), (127, 147135), (255, 73279), (381, 49045), (577, 32385), (635, 29427), (1731, 10795), (1905, 9809), (2159, 8655), (2885, 6477)]