206553915

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{66523}}^1$

素因数の和:66560

約数の個数: 32

約数和(自身を含む): 383178240

約数和(自身を除く): 176624325

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 66523, 199569, 332615, 598707, 997845, 1530029, 1796121, 2993535, 4590087, 7650145, 8980605, 13770261, 22950435, 41310783, 68851305, 206553915]

約数ペア:

[(1, 206553915), (3, 68851305), (5, 41310783), (9, 22950435), (15, 13770261), (23, 8980605), (27, 7650145), (45, 4590087), (69, 2993535), (115, 1796121), (135, 1530029), (207, 997845), (345, 598707), (621, 332615), (1035, 199569), (3105, 66523)]