247625535

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{977}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 404563392

約数和(自身を除く): 156937857

約数列:

[1, 3, 5, 15, 61, 183, 277, 305, 831, 915, 977, 1385, 2931, 4155, 4885, 14655, 16897, 50691, 59597, 84485, 178791, 253455, 270629, 297985, 811887, 893955, 1353145, 4059435, 16508369, 49525107, 82541845, 247625535]

約数ペア:

[(1, 247625535), (3, 82541845), (5, 49525107), (15, 16508369), (61, 4059435), (183, 1353145), (277, 893955), (305, 811887), (831, 297985), (915, 270629), (977, 253455), (1385, 178791), (2931, 84485), (4155, 59597), (4885, 50691), (14655, 16897)]