857871

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:125

約数の個数: 40

約数和(自身を含む): 1568160

約数和(自身を除く): 710289

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 89, 119, 153, 189, 267, 357, 459, 567, 623, 801, 1071, 1377, 1513, 1869, 2403, 3213, 4539, 5607, 7209, 9639, 10591, 13617, 16821, 31773, 40851, 50463, 95319, 122553, 285957, 857871]

約数ペア:

[(1, 857871), (3, 285957), (7, 122553), (9, 95319), (17, 50463), (21, 40851), (27, 31773), (51, 16821), (63, 13617), (81, 10591), (89, 9639), (119, 7209), (153, 5607), (189, 4539), (267, 3213), (357, 2403), (459, 1869), (567, 1513), (623, 1377), (801, 1071)]