25692579

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 45504000

約数和(自身を除く): 19811421

約数列:

[1, 3, 9, 11, 19, 27, 29, 33, 57, 87, 99, 157, 171, 209, 261, 297, 319, 471, 513, 551, 627, 783, 957, 1413, 1653, 1727, 1881, 2871, 2983, 4239, 4553, 4959, 5181, 5643, 6061, 8613, 8949, 13659, 14877, 15543, 18183, 26847, 32813, 40977, 46629, 50083, 54549, 80541, 86507, 98439, 122931, 150249, 163647, 259521, 295317, 450747, 778563, 885951, 951577, 1352241, 2335689, 2854731, 8564193, 25692579]

約数ペア:

[(1, 25692579), (3, 8564193), (9, 2854731), (11, 2335689), (19, 1352241), (27, 951577), (29, 885951), (33, 778563), (57, 450747), (87, 295317), (99, 259521), (157, 163647), (171, 150249), (209, 122931), (261, 98439), (297, 86507), (319, 80541), (471, 54549), (513, 50083), (551, 46629), (627, 40977), (783, 32813), (957, 26847), (1413, 18183), (1653, 15543), (1727, 14877), (1881, 13659), (2871, 8949), (2983, 8613), (4239, 6061), (4553, 5643), (4959, 5181)]