201877921

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{13103}}^1$

素因数の和:13212

約数の個数: 16

約数和(自身を含む): 241532928

約数和(自身を除く): 39655007

約数列:

[1, 7, 31, 71, 217, 497, 2201, 13103, 15407, 91721, 406193, 930313, 2843351, 6512191, 28839703, 201877921]

約数ペア:

[(1, 201877921), (7, 28839703), (31, 6512191), (71, 2843351), (217, 930313), (497, 406193), (2201, 91721), (13103, 15407)]