258889455

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{12163}}^1$

素因数の和:12228

約数の個数: 48

約数和(自身を含む): 500962176

約数和(自身を除く): 242072721

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 1419, 1935, 2365, 4257, 7095, 12163, 21285, 36489, 60815, 109467, 133793, 182445, 401379, 523009, 547335, 668965, 1204137, 1569027, 2006895, 2615045, 4707081, 5753099, 6020685, 7845135, 17259297, 23535405, 28765495, 51777891, 86296485, 258889455]

約数ペア:

[(1, 258889455), (3, 86296485), (5, 51777891), (9, 28765495), (11, 23535405), (15, 17259297), (33, 7845135), (43, 6020685), (45, 5753099), (55, 4707081), (99, 2615045), (129, 2006895), (165, 1569027), (215, 1204137), (387, 668965), (473, 547335), (495, 523009), (645, 401379), (1419, 182445), (1935, 133793), (2365, 109467), (4257, 60815), (7095, 36489), (12163, 21285)]