243996975

素因数分解:

$3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{7691}}^1$

素因数の和:7757

約数の個数: 48

約数和(自身を含む): 457827840

約数和(自身を除く): 213830865

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 135, 141, 225, 235, 423, 675, 705, 1175, 1269, 2115, 3525, 6345, 7691, 10575, 23073, 31725, 38455, 69219, 115365, 192275, 207657, 346095, 361477, 576825, 1038285, 1084431, 1730475, 1807385, 3253293, 5191425, 5422155, 9036925, 9759879, 16266465, 27110775, 48799395, 81332325, 243996975]

約数ペア:

[(1, 243996975), (3, 81332325), (5, 48799395), (9, 27110775), (15, 16266465), (25, 9759879), (27, 9036925), (45, 5422155), (47, 5191425), (75, 3253293), (135, 1807385), (141, 1730475), (225, 1084431), (235, 1038285), (423, 576825), (675, 361477), (705, 346095), (1175, 207657), (1269, 192275), (2115, 115365), (3525, 69219), (6345, 38455), (7691, 31725), (10575, 23073)]