15721799109

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2063}}^1\times {\mathrm{5813}}^1$

素因数の和:7921

約数の個数: 32

約数和(自身を含む): 23040184320

約数和(自身を除く): 7318385211

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 2063, 5813, 6189, 17439, 39197, 47449, 110447, 117591, 133699, 142347, 331341, 401097, 901531, 2540281, 2704593, 7620843, 11992219, 35976657, 227852161, 275821037, 683556483, 827463111, 5240599703, 15721799109]

約数ペア:

[(1, 15721799109), (3, 5240599703), (19, 827463111), (23, 683556483), (57, 275821037), (69, 227852161), (437, 35976657), (1311, 11992219), (2063, 7620843), (5813, 2704593), (6189, 2540281), (17439, 901531), (39197, 401097), (47449, 331341), (110447, 142347), (117591, 133699)]