215177977

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^2$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 260310336

約数和(自身を除く): 45132359

約数列:

[1, 7, 37, 43, 139, 259, 301, 973, 1591, 5143, 5977, 11137, 19321, 36001, 41839, 135247, 221149, 714877, 830803, 1548043, 5004139, 5815621, 30739711, 215177977]

約数ペア:

[(1, 215177977), (7, 30739711), (37, 5815621), (43, 5004139), (139, 1548043), (259, 830803), (301, 714877), (973, 221149), (1591, 135247), (5143, 41839), (5977, 36001), (11137, 19321)]