71716725

素因数分解:

$3^3\times 5^2\times {\mathrm{181}}^1\times {\mathrm{587}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 132699840

約数和(自身を除く): 60983115

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 181, 225, 543, 587, 675, 905, 1629, 1761, 2715, 2935, 4525, 4887, 5283, 8145, 8805, 13575, 14675, 15849, 24435, 26415, 40725, 44025, 79245, 106247, 122175, 132075, 318741, 396225, 531235, 956223, 1593705, 2656175, 2868669, 4781115, 7968525, 14343345, 23905575, 71716725]

約数ペア:

[(1, 71716725), (3, 23905575), (5, 14343345), (9, 7968525), (15, 4781115), (25, 2868669), (27, 2656175), (45, 1593705), (75, 956223), (135, 531235), (181, 396225), (225, 318741), (543, 132075), (587, 122175), (675, 106247), (905, 79245), (1629, 44025), (1761, 40725), (2715, 26415), (2935, 24435), (4525, 15849), (4887, 14675), (5283, 13575), (8145, 8805)]