25157007

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 41148000

約数和(自身を除く): 15990993

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 89, 171, 261, 267, 361, 513, 551, 783, 801, 1083, 1653, 1691, 2403, 2581, 3249, 4959, 5073, 7743, 9747, 10469, 14877, 15219, 23229, 31407, 32129, 45657, 49039, 69687, 94221, 96387, 147117, 282663, 289161, 441351, 867483, 931741, 1324053, 2795223, 8385669, 25157007]

約数ペア:

[(1, 25157007), (3, 8385669), (9, 2795223), (19, 1324053), (27, 931741), (29, 867483), (57, 441351), (87, 289161), (89, 282663), (171, 147117), (261, 96387), (267, 94221), (361, 69687), (513, 49039), (551, 45657), (783, 32129), (801, 31407), (1083, 23229), (1653, 15219), (1691, 14877), (2403, 10469), (2581, 9747), (3249, 7743), (4959, 5073)]