172776987

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{349}}^1\times {\mathrm{821}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 254326800

約数和(自身を除く): 81549813

約数列:

[1, 3, 9, 67, 201, 349, 603, 821, 1047, 2463, 3141, 7389, 23383, 55007, 70149, 165021, 210447, 286529, 495063, 859587, 2578761, 19197443, 57592329, 172776987]

約数ペア:

[(1, 172776987), (3, 57592329), (9, 19197443), (67, 2578761), (201, 859587), (349, 495063), (603, 286529), (821, 210447), (1047, 165021), (2463, 70149), (3141, 55007), (7389, 23383)]