1639454973

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{140593}}^1$

素因数の和:140645

約数の個数: 24

約数和(自身を含む): 2469955392

約数和(自身を除く): 830500419

約数列:

[1, 3, 13, 23, 39, 69, 169, 299, 507, 897, 3887, 11661, 140593, 421779, 1827709, 3233639, 5483127, 9700917, 23760217, 42037307, 71280651, 126111921, 546484991, 1639454973]

約数ペア:

[(1, 1639454973), (3, 546484991), (13, 126111921), (23, 71280651), (39, 42037307), (69, 23760217), (169, 9700917), (299, 5483127), (507, 3233639), (897, 1827709), (3887, 421779), (11661, 140593)]