2221947

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2713}}^1$

素因数の和:2739

約数の個数: 24

約数和(自身を含む): 3951584

約数和(自身を除く): 1729637

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 2713, 8139, 18991, 24417, 35269, 56973, 105807, 170919, 246883, 317421, 740649, 2221947]

約数ペア:

[(1, 2221947), (3, 740649), (7, 317421), (9, 246883), (13, 170919), (21, 105807), (39, 56973), (63, 35269), (91, 24417), (117, 18991), (273, 8139), (819, 2713)]