81821454

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2029}}^1$

素因数の和:2105

約数の個数: 64

約数和(自身を含む): 196439040

約数和(自身を除く): 114617586

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 47, 66, 78, 94, 141, 143, 282, 286, 429, 517, 611, 858, 1034, 1222, 1551, 1833, 2029, 3102, 3666, 4058, 6087, 6721, 12174, 13442, 20163, 22319, 26377, 40326, 44638, 52754, 66957, 79131, 95363, 133914, 158262, 190726, 286089, 290147, 572178, 580294, 870441, 1048993, 1239719, 1740882, 2097986, 2479438, 3146979, 3719157, 6293958, 7438314, 13636909, 27273818, 40910727, 81821454]

約数ペア:

[(1, 81821454), (2, 40910727), (3, 27273818), (6, 13636909), (11, 7438314), (13, 6293958), (22, 3719157), (26, 3146979), (33, 2479438), (39, 2097986), (47, 1740882), (66, 1239719), (78, 1048993), (94, 870441), (141, 580294), (143, 572178), (282, 290147), (286, 286089), (429, 190726), (517, 158262), (611, 133914), (858, 95363), (1034, 79131), (1222, 66957), (1551, 52754), (1833, 44638), (2029, 40326), (3102, 26377), (3666, 22319), (4058, 20163), (6087, 13442), (6721, 12174)]