201720663

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1412

約数の個数: 36

約数和(自身を含む): 314297568

約数和(自身を除く): 112576905

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 361, 423, 893, 1083, 1321, 2679, 3249, 3963, 8037, 11889, 16967, 25099, 50901, 62087, 75297, 152703, 186261, 225891, 476881, 558783, 1179653, 1430643, 3538959, 4291929, 10616877, 22413407, 67240221, 201720663]

約数ペア:

[(1, 201720663), (3, 67240221), (9, 22413407), (19, 10616877), (47, 4291929), (57, 3538959), (141, 1430643), (171, 1179653), (361, 558783), (423, 476881), (893, 225891), (1083, 186261), (1321, 152703), (2679, 75297), (3249, 62087), (3963, 50901), (8037, 25099), (11889, 16967)]