201620921

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1097}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 215664768

約数和(自身を除く): 14043847

約数列:

[1, 23, 61, 131, 1097, 1403, 3013, 7991, 25231, 66917, 143707, 183793, 1539091, 3305261, 8766127, 201620921]

約数ペア:

[(1, 201620921), (23, 8766127), (61, 3305261), (131, 1539091), (1097, 183793), (1403, 143707), (3013, 66917), (7991, 25231)]