421572957

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{1787}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 634411008

約数和(自身を除く): 212838051

約数列:

[1, 3, 13, 23, 39, 69, 263, 299, 789, 897, 1787, 3419, 5361, 6049, 10257, 18147, 23231, 41101, 69693, 78637, 123303, 235911, 469981, 534313, 1409943, 1602939, 6109753, 10809563, 18329259, 32428689, 140524319, 421572957]

約数ペア:

[(1, 421572957), (3, 140524319), (13, 32428689), (23, 18329259), (39, 10809563), (69, 6109753), (263, 1602939), (299, 1409943), (789, 534313), (897, 469981), (1787, 235911), (3419, 123303), (5361, 78637), (6049, 69693), (10257, 41101), (18147, 23231)]