131385855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 231137280

約数和(自身を除く): 99751425

約数列:

[1, 3, 5, 15, 19, 43, 57, 71, 95, 129, 151, 213, 215, 285, 355, 453, 645, 755, 817, 1065, 1349, 2265, 2451, 2869, 3053, 4047, 4085, 6493, 6745, 8607, 9159, 10721, 12255, 14345, 15265, 19479, 20235, 32163, 32465, 43035, 45795, 53605, 58007, 97395, 123367, 160815, 174021, 203699, 290035, 370101, 461003, 611097, 616835, 870105, 1018495, 1383009, 1850505, 2305015, 3055485, 6915045, 8759057, 26277171, 43795285, 131385855]

約数ペア:

[(1, 131385855), (3, 43795285), (5, 26277171), (15, 8759057), (19, 6915045), (43, 3055485), (57, 2305015), (71, 1850505), (95, 1383009), (129, 1018495), (151, 870105), (213, 616835), (215, 611097), (285, 461003), (355, 370101), (453, 290035), (645, 203699), (755, 174021), (817, 160815), (1065, 123367), (1349, 97395), (2265, 58007), (2451, 53605), (2869, 45795), (3053, 43035), (4047, 32465), (4085, 32163), (6493, 20235), (6745, 19479), (8607, 15265), (9159, 14345), (10721, 12255)]