64872783

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:572

約数の個数: 36

約数和(自身を含む): 101516688

約数和(自身を除く): 36643905

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 361, 369, 487, 779, 1083, 1461, 2337, 3249, 4383, 7011, 9253, 14801, 19967, 27759, 44403, 59901, 83277, 133209, 175807, 179703, 379373, 527421, 1138119, 1582263, 3414357, 7208087, 21624261, 64872783]

約数ペア:

[(1, 64872783), (3, 21624261), (9, 7208087), (19, 3414357), (41, 1582263), (57, 1138119), (123, 527421), (171, 379373), (361, 179703), (369, 175807), (487, 133209), (779, 83277), (1083, 59901), (1461, 44403), (2337, 27759), (3249, 19967), (4383, 14801), (7011, 9253)]