72540237

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 124137792

約数和(自身を除く): 51597555

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 113, 147, 231, 339, 397, 539, 791, 1191, 1243, 1617, 2373, 2779, 3729, 4367, 5537, 8337, 8701, 13101, 16611, 19453, 26103, 30569, 44861, 58359, 60907, 91707, 134583, 182721, 213983, 314027, 493471, 641949, 942081, 1480413, 2198189, 3454297, 6594567, 10362891, 24180079, 72540237]

約数ペア:

[(1, 72540237), (3, 24180079), (7, 10362891), (11, 6594567), (21, 3454297), (33, 2198189), (49, 1480413), (77, 942081), (113, 641949), (147, 493471), (231, 314027), (339, 213983), (397, 182721), (539, 134583), (791, 91707), (1191, 60907), (1243, 58359), (1617, 44861), (2373, 30569), (2779, 26103), (3729, 19453), (4367, 16611), (5537, 13101), (8337, 8701)]