28626939

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:150

約数の個数: 60

約数和(自身を含む): 49789080

約数和(自身を除く): 21162141

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 89, 99, 171, 209, 267, 297, 361, 513, 627, 801, 891, 979, 1083, 1539, 1691, 1881, 2403, 2937, 3249, 3971, 5073, 5643, 7209, 8811, 9747, 11913, 15219, 16929, 18601, 26433, 29241, 32129, 35739, 45657, 55803, 79299, 96387, 107217, 136971, 167409, 289161, 321651, 353419, 502227, 867483, 1060257, 1506681, 2602449, 3180771, 9542313, 28626939]

約数ペア:

[(1, 28626939), (3, 9542313), (9, 3180771), (11, 2602449), (19, 1506681), (27, 1060257), (33, 867483), (57, 502227), (81, 353419), (89, 321651), (99, 289161), (171, 167409), (209, 136971), (267, 107217), (297, 96387), (361, 79299), (513, 55803), (627, 45657), (801, 35739), (891, 32129), (979, 29241), (1083, 26433), (1539, 18601), (1691, 16929), (1881, 15219), (2403, 11913), (2937, 9747), (3249, 8811), (3971, 7209), (5073, 5643)]