1721427841

素因数分解:

$7^1\times {\mathrm{163}}^1\times {\mathrm{757}}^1\times {\mathrm{1993}}^1$

素因数の和:2920

約数の個数: 16

約数和(自身を含む): 1983025024

約数和(自身を除く): 261597183

約数列:

[1, 7, 163, 757, 1141, 1993, 5299, 13951, 123391, 324859, 863737, 1508701, 2274013, 10560907, 245918263, 1721427841]

約数ペア:

[(1, 1721427841), (7, 245918263), (163, 10560907), (757, 2274013), (1141, 1508701), (1993, 863737), (5299, 324859), (13951, 123391)]