71221605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{52177}}^1$

素因数の和:52205

約数の個数: 32

約数和(自身を含む): 140254464

約数和(自身を除く): 69032859

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 52177, 156531, 260885, 365239, 678301, 782655, 1095717, 1826195, 2034903, 3391505, 4748107, 5478585, 10174515, 14244321, 23740535, 71221605]

約数ペア:

[(1, 71221605), (3, 23740535), (5, 14244321), (7, 10174515), (13, 5478585), (15, 4748107), (21, 3391505), (35, 2034903), (39, 1826195), (65, 1095717), (91, 782655), (105, 678301), (195, 365239), (273, 260885), (455, 156531), (1365, 52177)]