15721383213

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1\times {\mathrm{883}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 23588571136

約数和(自身を除く): 7867187923

約数列:

[1, 3, 9, 37, 111, 127, 333, 381, 421, 883, 1143, 1263, 2649, 3789, 4699, 7947, 14097, 15577, 32671, 42291, 46731, 53467, 98013, 112141, 140193, 160401, 294039, 336423, 371743, 481203, 1009269, 1115229, 1978279, 3345687, 4149217, 5934837, 12447651, 13754491, 17804511, 37342953, 41263473, 47211361, 123790419, 141634083, 424902249, 1746820357, 5240461071, 15721383213]

約数ペア:

[(1, 15721383213), (3, 5240461071), (9, 1746820357), (37, 424902249), (111, 141634083), (127, 123790419), (333, 47211361), (381, 41263473), (421, 37342953), (883, 17804511), (1143, 13754491), (1263, 12447651), (2649, 5934837), (3789, 4149217), (4699, 3345687), (7947, 1978279), (14097, 1115229), (15577, 1009269), (32671, 481203), (42291, 371743), (46731, 336423), (53467, 294039), (98013, 160401), (112141, 140193)]