25187985

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 45489600

約数和(自身を除く): 20301615

約数列:

[1, 3, 5, 9, 15, 45, 53, 59, 159, 177, 179, 265, 295, 477, 531, 537, 795, 885, 895, 1611, 2385, 2655, 2685, 3127, 8055, 9381, 9487, 10561, 15635, 28143, 28461, 31683, 46905, 47435, 52805, 85383, 95049, 140715, 142305, 158415, 426915, 475245, 559733, 1679199, 2798665, 5037597, 8395995, 25187985]

約数ペア:

[(1, 25187985), (3, 8395995), (5, 5037597), (9, 2798665), (15, 1679199), (45, 559733), (53, 475245), (59, 426915), (159, 158415), (177, 142305), (179, 140715), (265, 95049), (295, 85383), (477, 52805), (531, 47435), (537, 46905), (795, 31683), (885, 28461), (895, 28143), (1611, 15635), (2385, 10561), (2655, 9487), (2685, 9381), (3127, 8055)]