2990911

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 3939840

約数和(自身を除く): 948929

約数列:

[1, 7, 11, 31, 49, 77, 179, 217, 341, 539, 1253, 1519, 1969, 2387, 5549, 8771, 13783, 16709, 38843, 61039, 96481, 271901, 427273, 2990911]

約数ペア:

[(1, 2990911), (7, 427273), (11, 271901), (31, 96481), (49, 61039), (77, 38843), (179, 16709), (217, 13783), (341, 8771), (539, 5549), (1253, 2387), (1519, 1969)]