81567972

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:343

約数の個数: 120

約数和(自身を含む): 230519520

約数和(自身を除く): 148951548

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 59, 68, 81, 102, 108, 118, 153, 162, 177, 204, 236, 251, 306, 324, 354, 459, 502, 531, 612, 708, 753, 918, 1003, 1004, 1062, 1377, 1506, 1593, 1836, 2006, 2124, 2259, 2754, 3009, 3012, 3186, 4012, 4267, 4518, 4779, 5508, 6018, 6372, 6777, 8534, 9027, 9036, 9558, 12036, 12801, 13554, 14809, 17068, 18054, 19116, 20331, 25602, 27081, 27108, 29618, 36108, 38403, 40662, 44427, 51204, 54162, 59236, 76806, 81243, 81324, 88854, 108324, 115209, 133281, 153612, 162486, 177708, 230418, 251753, 266562, 324972, 345627, 399843, 460836, 503506, 533124, 691254, 755259, 799686, 1007012, 1199529, 1382508, 1510518, 1599372, 2265777, 2399058, 3021036, 4531554, 4798116, 6797331, 9063108, 13594662, 20391993, 27189324, 40783986, 81567972]

約数ペア:

[(1, 81567972), (2, 40783986), (3, 27189324), (4, 20391993), (6, 13594662), (9, 9063108), (12, 6797331), (17, 4798116), (18, 4531554), (27, 3021036), (34, 2399058), (36, 2265777), (51, 1599372), (54, 1510518), (59, 1382508), (68, 1199529), (81, 1007012), (102, 799686), (108, 755259), (118, 691254), (153, 533124), (162, 503506), (177, 460836), (204, 399843), (236, 345627), (251, 324972), (306, 266562), (324, 251753), (354, 230418), (459, 177708), (502, 162486), (531, 153612), (612, 133281), (708, 115209), (753, 108324), (918, 88854), (1003, 81324), (1004, 81243), (1062, 76806), (1377, 59236), (1506, 54162), (1593, 51204), (1836, 44427), (2006, 40662), (2124, 38403), (2259, 36108), (2754, 29618), (3009, 27108), (3012, 27081), (3186, 25602), (4012, 20331), (4267, 19116), (4518, 18054), (4779, 17068), (5508, 14809), (6018, 13554), (6372, 12801), (6777, 12036), (8534, 9558), (9027, 9036)]