1917758889

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{523}}^1\times {\mathrm{2027}}^1$

素因数の和:2626

約数の個数: 32

約数和(自身を含む): 2890467840

約数和(自身を除く): 972708951

約数列:

[1, 3, 9, 27, 67, 201, 523, 603, 1569, 1809, 2027, 4707, 6081, 14121, 18243, 35041, 54729, 105123, 135809, 315369, 407427, 946107, 1060121, 1222281, 3180363, 3666843, 9541089, 28623267, 71028107, 213084321, 639252963, 1917758889]

約数ペア:

[(1, 1917758889), (3, 639252963), (9, 213084321), (27, 71028107), (67, 28623267), (201, 9541089), (523, 3666843), (603, 3180363), (1569, 1222281), (1809, 1060121), (2027, 946107), (4707, 407427), (6081, 315369), (14121, 135809), (18243, 105123), (35041, 54729)]