243519105

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 433889280

約数和(自身を除く): 190370175

約数列:

[1, 3, 5, 15, 19, 31, 43, 57, 93, 95, 129, 155, 215, 285, 465, 589, 641, 645, 817, 1333, 1767, 1923, 2451, 2945, 3205, 3999, 4085, 6665, 8835, 9615, 12179, 12255, 19871, 19995, 25327, 27563, 36537, 59613, 60895, 75981, 82689, 99355, 126635, 137815, 182685, 298065, 377549, 379905, 413445, 523697, 854453, 1132647, 1571091, 1887745, 2563359, 2618485, 4272265, 5663235, 7855455, 12816795, 16234607, 48703821, 81173035, 243519105]

約数ペア:

[(1, 243519105), (3, 81173035), (5, 48703821), (15, 16234607), (19, 12816795), (31, 7855455), (43, 5663235), (57, 4272265), (93, 2618485), (95, 2563359), (129, 1887745), (155, 1571091), (215, 1132647), (285, 854453), (465, 523697), (589, 413445), (641, 379905), (645, 377549), (817, 298065), (1333, 182685), (1767, 137815), (1923, 126635), (2451, 99355), (2945, 82689), (3205, 75981), (3999, 60895), (4085, 59613), (6665, 36537), (8835, 27563), (9615, 25327), (12179, 19995), (12255, 19871)]