17280445

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 25788672

約数和(自身を除く): 8508227

約数列:

[1, 5, 7, 13, 35, 65, 91, 163, 233, 455, 815, 1141, 1165, 1631, 2119, 3029, 5705, 8155, 10595, 14833, 15145, 21203, 37979, 74165, 106015, 189895, 265853, 493727, 1329265, 2468635, 3456089, 17280445]

約数ペア:

[(1, 17280445), (5, 3456089), (7, 2468635), (13, 1329265), (35, 493727), (65, 265853), (91, 189895), (163, 106015), (233, 74165), (455, 37979), (815, 21203), (1141, 15145), (1165, 14833), (1631, 10595), (2119, 8155), (3029, 5705)]