85581909

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 154058112

約数和(自身を除く): 68476203

約数列:

[1, 3, 7, 9, 19, 21, 53, 57, 63, 71, 133, 159, 171, 213, 361, 371, 399, 477, 497, 639, 1007, 1083, 1113, 1197, 1349, 1491, 2527, 3021, 3249, 3339, 3763, 4047, 4473, 7049, 7581, 9063, 9443, 11289, 12141, 19133, 21147, 22743, 25631, 26341, 28329, 33867, 57399, 63441, 71497, 76893, 79023, 84987, 133931, 172197, 179417, 214491, 230679, 237069, 401793, 500479, 538251, 643473, 1205379, 1358443, 1501437, 1614753, 4075329, 4504311, 9509101, 12225987, 28527303, 85581909]

約数ペア:

[(1, 85581909), (3, 28527303), (7, 12225987), (9, 9509101), (19, 4504311), (21, 4075329), (53, 1614753), (57, 1501437), (63, 1358443), (71, 1205379), (133, 643473), (159, 538251), (171, 500479), (213, 401793), (361, 237069), (371, 230679), (399, 214491), (477, 179417), (497, 172197), (639, 133931), (1007, 84987), (1083, 79023), (1113, 76893), (1197, 71497), (1349, 63441), (1491, 57399), (2527, 33867), (3021, 28329), (3249, 26341), (3339, 25631), (3763, 22743), (4047, 21147), (4473, 19133), (7049, 12141), (7581, 11289), (9063, 9443)]