280298061

素因数分解:

$3^2\times {\mathrm{229}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 408888480

約数和(自身を除く): 128590419

約数列:

[1, 3, 9, 229, 307, 443, 687, 921, 1329, 2061, 2763, 3987, 70303, 101447, 136001, 210909, 304341, 408003, 632727, 913023, 1224009, 31144229, 93432687, 280298061]

約数ペア:

[(1, 280298061), (3, 93432687), (9, 31144229), (229, 1224009), (307, 913023), (443, 632727), (687, 408003), (921, 304341), (1329, 210909), (2061, 136001), (2763, 101447), (3987, 70303)]