71755905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 126979776

約数和(自身を除く): 55223871

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 131, 159, 195, 265, 393, 655, 689, 795, 1703, 1965, 2067, 2809, 3445, 5109, 6943, 8427, 8515, 10335, 14045, 20829, 25545, 34715, 36517, 42135, 90259, 104145, 109551, 182585, 270777, 367979, 451295, 547755, 1103937, 1353885, 1839895, 4783727, 5519685, 14351181, 23918635, 71755905]

約数ペア:

[(1, 71755905), (3, 23918635), (5, 14351181), (13, 5519685), (15, 4783727), (39, 1839895), (53, 1353885), (65, 1103937), (131, 547755), (159, 451295), (195, 367979), (265, 270777), (393, 182585), (655, 109551), (689, 104145), (795, 90259), (1703, 42135), (1965, 36517), (2067, 34715), (2809, 25545), (3445, 20829), (5109, 14045), (6943, 10335), (8427, 8515)]