211301321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1439}}^1\times {\mathrm{1907}}^1$

素因数の和:3364

約数の個数: 16

約数和(自身を含む): 263761920

約数和(自身を除く): 52460599

約数列:

[1, 7, 11, 77, 1439, 1907, 10073, 13349, 15829, 20977, 110803, 146839, 2744173, 19209211, 30185903, 211301321]

約数ペア:

[(1, 211301321), (7, 30185903), (11, 19209211), (77, 2744173), (1439, 146839), (1907, 110803), (10073, 20977), (13349, 15829)]