64646379

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 114566400

約数和(自身を除く): 49920021

約数列:

[1, 3, 7, 9, 19, 21, 53, 57, 63, 133, 159, 171, 371, 399, 477, 1007, 1019, 1113, 1197, 3021, 3057, 3339, 7049, 7133, 9063, 9171, 19361, 21147, 21399, 54007, 58083, 63441, 64197, 135527, 162021, 174249, 378049, 406581, 486063, 1026133, 1134147, 1219743, 3078399, 3402441, 7182931, 9235197, 21548793, 64646379]

約数ペア:

[(1, 64646379), (3, 21548793), (7, 9235197), (9, 7182931), (19, 3402441), (21, 3078399), (53, 1219743), (57, 1134147), (63, 1026133), (133, 486063), (159, 406581), (171, 378049), (371, 174249), (399, 162021), (477, 135527), (1007, 64197), (1019, 63441), (1113, 58083), (1197, 54007), (3021, 21399), (3057, 21147), (3339, 19361), (7049, 9171), (7133, 9063)]