172396161

素因数分解:

$3^3\times 7^2\times {\mathrm{130307}}^1$

素因数の和:130330

約数の個数: 24

約数和(自身を含む): 297102240

約数和(自身を除く): 124706079

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 130307, 390921, 912149, 1172763, 2736447, 3518289, 6385043, 8209341, 19155129, 24628023, 57465387, 172396161]

約数ペア:

[(1, 172396161), (3, 57465387), (7, 24628023), (9, 19155129), (21, 8209341), (27, 6385043), (49, 3518289), (63, 2736447), (147, 1172763), (189, 912149), (441, 390921), (1323, 130307)]