291288879

素因数分解:

$3^4\times 7^2\times {\mathrm{79}}^1\times {\mathrm{929}}^1$

素因数の和:1034

約数の個数: 60

約数和(自身を含む): 513136800

約数和(自身を除く): 221847921

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 79, 81, 147, 189, 237, 441, 553, 567, 711, 929, 1323, 1659, 2133, 2787, 3871, 3969, 4977, 6399, 6503, 8361, 11613, 14931, 19509, 25083, 34839, 44793, 45521, 58527, 73391, 75249, 104517, 136563, 175581, 220173, 313551, 409689, 513737, 526743, 660519, 1229067, 1541211, 1981557, 3596159, 3687201, 4623633, 5944671, 10788477, 13870899, 32365431, 41612697, 97096293, 291288879]

約数ペア:

[(1, 291288879), (3, 97096293), (7, 41612697), (9, 32365431), (21, 13870899), (27, 10788477), (49, 5944671), (63, 4623633), (79, 3687201), (81, 3596159), (147, 1981557), (189, 1541211), (237, 1229067), (441, 660519), (553, 526743), (567, 513737), (711, 409689), (929, 313551), (1323, 220173), (1659, 175581), (2133, 136563), (2787, 104517), (3871, 75249), (3969, 73391), (4977, 58527), (6399, 45521), (6503, 44793), (8361, 34839), (11613, 25083), (14931, 19509)]