25871805

素因数分解:

$3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 46835712

約数和(自身を除く): 20963907

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 127, 135, 381, 405, 503, 635, 1143, 1509, 1905, 2515, 3429, 4527, 5715, 7545, 10287, 13581, 17145, 22635, 40743, 51435, 63881, 67905, 191643, 203715, 319405, 574929, 958215, 1724787, 2874645, 5174361, 8623935, 25871805]

約数ペア:

[(1, 25871805), (3, 8623935), (5, 5174361), (9, 2874645), (15, 1724787), (27, 958215), (45, 574929), (81, 319405), (127, 203715), (135, 191643), (381, 67905), (405, 63881), (503, 51435), (635, 40743), (1143, 22635), (1509, 17145), (1905, 13581), (2515, 10287), (3429, 7545), (4527, 5715)]