55137825

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 104264160

約数和(自身を除く): 49126335

約数列:

[1, 3, 5, 9, 15, 25, 41, 43, 45, 75, 123, 129, 139, 205, 215, 225, 369, 387, 417, 615, 645, 695, 1025, 1075, 1251, 1763, 1845, 1935, 2085, 3075, 3225, 3475, 5289, 5699, 5977, 6255, 8815, 9225, 9675, 10425, 15867, 17097, 17931, 26445, 28495, 29885, 31275, 44075, 51291, 53793, 79335, 85485, 89655, 132225, 142475, 149425, 245057, 256455, 268965, 396675, 427425, 448275, 735171, 1225285, 1282275, 1344825, 2205513, 3675855, 6126425, 11027565, 18379275, 55137825]

約数ペア:

[(1, 55137825), (3, 18379275), (5, 11027565), (9, 6126425), (15, 3675855), (25, 2205513), (41, 1344825), (43, 1282275), (45, 1225285), (75, 735171), (123, 448275), (129, 427425), (139, 396675), (205, 268965), (215, 256455), (225, 245057), (369, 149425), (387, 142475), (417, 132225), (615, 89655), (645, 85485), (695, 79335), (1025, 53793), (1075, 51291), (1251, 44075), (1763, 31275), (1845, 29885), (1935, 28495), (2085, 26445), (3075, 17931), (3225, 17097), (3475, 15867), (5289, 10425), (5699, 9675), (5977, 9225), (6255, 8815)]