61809237

素因数分解:

$3^5\times 7^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 112039200

約数和(自身を除く): 50229963

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 81, 87, 147, 179, 189, 203, 243, 261, 441, 537, 567, 609, 783, 1253, 1323, 1421, 1611, 1701, 1827, 2349, 3759, 3969, 4263, 4833, 5191, 5481, 7047, 8771, 11277, 11907, 12789, 14499, 15573, 16443, 26313, 33831, 36337, 38367, 43497, 46719, 49329, 78939, 101493, 109011, 115101, 140157, 236817, 254359, 304479, 327033, 345303, 420471, 710451, 763077, 981099, 1261413, 2131353, 2289231, 2943297, 6867693, 8829891, 20603079, 61809237]

約数ペア:

[(1, 61809237), (3, 20603079), (7, 8829891), (9, 6867693), (21, 2943297), (27, 2289231), (29, 2131353), (49, 1261413), (63, 981099), (81, 763077), (87, 710451), (147, 420471), (179, 345303), (189, 327033), (203, 304479), (243, 254359), (261, 236817), (441, 140157), (537, 115101), (567, 109011), (609, 101493), (783, 78939), (1253, 49329), (1323, 46719), (1421, 43497), (1611, 38367), (1701, 36337), (1827, 33831), (2349, 26313), (3759, 16443), (3969, 15573), (4263, 14499), (4833, 12789), (5191, 11907), (5481, 11277), (7047, 8771)]