61155215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{373}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 81178944

約数和(自身を除く): 20023729

約数列:

[1, 5, 11, 55, 121, 271, 373, 605, 1355, 1865, 2981, 4103, 14905, 20515, 32791, 45133, 101083, 163955, 225665, 505415, 1111913, 5559565, 12231043, 61155215]

約数ペア:

[(1, 61155215), (5, 12231043), (11, 5559565), (55, 1111913), (121, 505415), (271, 225665), (373, 163955), (605, 101083), (1355, 45133), (1865, 32791), (2981, 20515), (4103, 14905)]