217333921

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{4211}}^1$

素因数の和:4392

約数の個数: 16

約数和(自身を含む): 254337408

約数和(自身を除く): 37003487

約数列:

[1, 7, 73, 101, 511, 707, 4211, 7373, 29477, 51611, 307403, 425311, 2151821, 2977177, 31047703, 217333921]

約数ペア:

[(1, 217333921), (7, 31047703), (73, 2977177), (101, 2151821), (511, 425311), (707, 307403), (4211, 51611), (7373, 29477)]