205503753

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39619}}^1$

素因数の和:39661

約数の個数: 32

約数和(自身を含む): 354995200

約数和(自身を除く): 149491447

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 39619, 118857, 277333, 515047, 752761, 831999, 1545141, 2258283, 3605329, 5269327, 9785893, 10815987, 15807981, 29357679, 68501251, 205503753]

約数ペア:

[(1, 205503753), (3, 68501251), (7, 29357679), (13, 15807981), (19, 10815987), (21, 9785893), (39, 5269327), (57, 3605329), (91, 2258283), (133, 1545141), (247, 831999), (273, 752761), (399, 515047), (741, 277333), (1729, 118857), (5187, 39619)]