61816671

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 110007040

約数和(自身を除く): 48190369

約数列:

[1, 3, 7, 9, 19, 21, 43, 57, 63, 129, 133, 171, 301, 387, 399, 817, 903, 1197, 1201, 2451, 2709, 3603, 5719, 7353, 8407, 10809, 17157, 22819, 25221, 51471, 51643, 68457, 75663, 154929, 159733, 205371, 361501, 464787, 479199, 981217, 1084503, 1437597, 2943651, 3253509, 6868519, 8830953, 20605557, 61816671]

約数ペア:

[(1, 61816671), (3, 20605557), (7, 8830953), (9, 6868519), (19, 3253509), (21, 2943651), (43, 1437597), (57, 1084503), (63, 981217), (129, 479199), (133, 464787), (171, 361501), (301, 205371), (387, 159733), (399, 154929), (817, 75663), (903, 68457), (1197, 51643), (1201, 51471), (2451, 25221), (2709, 22819), (3603, 17157), (5719, 10809), (7353, 8407)]