27958385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1429}}^1$

素因数の和:1497

約数の個数: 32

約数和(自身を含む): 42282240

約数和(自身を除く): 14323855

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1429, 1505, 2795, 3913, 7145, 10003, 18577, 19565, 50015, 61447, 92885, 130039, 307235, 430129, 650195, 798811, 2150645, 3994055, 5591677, 27958385]

約数ペア:

[(1, 27958385), (5, 5591677), (7, 3994055), (13, 2150645), (35, 798811), (43, 650195), (65, 430129), (91, 307235), (215, 130039), (301, 92885), (455, 61447), (559, 50015), (1429, 19565), (1505, 18577), (2795, 10003), (3913, 7145)]