305193609

素因数分解:

$3^3\times 7^2\times {\mathrm{230683}}^1$

素因数の和:230706

約数の個数: 24

約数和(自身を含む): 525959520

約数和(自身を除く): 220765911

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 230683, 692049, 1614781, 2076147, 4844343, 6228441, 11303467, 14533029, 33910401, 43599087, 101731203, 305193609]

約数ペア:

[(1, 305193609), (3, 101731203), (7, 43599087), (9, 33910401), (21, 14533029), (27, 11303467), (49, 6228441), (63, 4844343), (147, 2076147), (189, 1614781), (441, 692049), (1323, 230683)]