81307515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4759}}^1$

素因数の和:4851

約数の個数: 32

約数和(自身を含む): 139829760

約数和(自身を除く): 58522245

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1139, 3417, 4759, 5695, 14277, 17085, 23795, 71385, 80903, 242709, 318853, 404515, 956559, 1213545, 1594265, 4782795, 5420501, 16261503, 27102505, 81307515]

約数ペア:

[(1, 81307515), (3, 27102505), (5, 16261503), (15, 5420501), (17, 4782795), (51, 1594265), (67, 1213545), (85, 956559), (201, 404515), (255, 318853), (335, 242709), (1005, 80903), (1139, 71385), (3417, 23795), (4759, 17085), (5695, 14277)]