197305353

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{21019}}^1$

素因数の和:21181

約数の個数: 24

約数和(自身を含む): 327912000

約数和(自身を除く): 130606647

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 9387, 21019, 63057, 147133, 189171, 441399, 1324197, 3131831, 9395493, 21922817, 28186479, 65768451, 197305353]

約数ペア:

[(1, 197305353), (3, 65768451), (7, 28186479), (9, 21922817), (21, 9395493), (63, 3131831), (149, 1324197), (447, 441399), (1043, 189171), (1341, 147133), (3129, 63057), (9387, 21019)]