212227071

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{1663}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 332267520

約数和(自身を除く): 120040449

約数列:

[1, 3, 7, 21, 59, 103, 177, 309, 413, 721, 1239, 1663, 2163, 4989, 6077, 11641, 18231, 34923, 42539, 98117, 127617, 171289, 294351, 513867, 686819, 1199023, 2060457, 3597069, 10106051, 30318153, 70742357, 212227071]

約数ペア:

[(1, 212227071), (3, 70742357), (7, 30318153), (21, 10106051), (59, 3597069), (103, 2060457), (177, 1199023), (309, 686819), (413, 513867), (721, 294351), (1239, 171289), (1663, 127617), (2163, 98117), (4989, 42539), (6077, 34923), (11641, 18231)]