81293445

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 145753920

約数和(自身を除く): 64460475

約数列:

[1, 3, 5, 9, 15, 45, 59, 67, 177, 201, 295, 335, 457, 531, 603, 885, 1005, 1371, 2285, 2655, 3015, 3953, 4113, 6855, 11859, 19765, 20565, 26963, 30619, 35577, 59295, 80889, 91857, 134815, 153095, 177885, 242667, 275571, 404445, 459285, 1213335, 1377855, 1806521, 5419563, 9032605, 16258689, 27097815, 81293445]

約数ペア:

[(1, 81293445), (3, 27097815), (5, 16258689), (9, 9032605), (15, 5419563), (45, 1806521), (59, 1377855), (67, 1213335), (177, 459285), (201, 404445), (295, 275571), (335, 242667), (457, 177885), (531, 153095), (603, 134815), (885, 91857), (1005, 80889), (1371, 59295), (2285, 35577), (2655, 30619), (3015, 26963), (3953, 20565), (4113, 19765), (6855, 11859)]