28055559

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{883}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 45826560

約数和(自身を除く): 17771001

約数列:

[1, 3, 7, 17, 21, 51, 89, 119, 267, 357, 623, 883, 1513, 1869, 2649, 4539, 6181, 10591, 15011, 18543, 31773, 45033, 78587, 105077, 235761, 315231, 550109, 1335979, 1650327, 4007937, 9351853, 28055559]

約数ペア:

[(1, 28055559), (3, 9351853), (7, 4007937), (17, 1650327), (21, 1335979), (51, 550109), (89, 315231), (119, 235761), (267, 105077), (357, 78587), (623, 45033), (883, 31773), (1513, 18543), (1869, 15011), (2649, 10591), (4539, 6181)]