27865761

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 49685760

約数和(自身を除く): 21819999

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 399, 539, 627, 907, 931, 1463, 1617, 2721, 2793, 4389, 6349, 9977, 10241, 17233, 19047, 29931, 30723, 44443, 51699, 69839, 120631, 133329, 189563, 209517, 361893, 488873, 568689, 844417, 1326941, 1466619, 2533251, 3980823, 9288587, 27865761]

約数ペア:

[(1, 27865761), (3, 9288587), (7, 3980823), (11, 2533251), (19, 1466619), (21, 1326941), (33, 844417), (49, 568689), (57, 488873), (77, 361893), (133, 209517), (147, 189563), (209, 133329), (231, 120631), (399, 69839), (539, 51699), (627, 44443), (907, 30723), (931, 29931), (1463, 19047), (1617, 17233), (2721, 10241), (2793, 9977), (4389, 6349)]