71880615

素因数分解:

$3^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{883}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 131284608

約数和(自身を除く): 59403993

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 243, 335, 405, 603, 883, 1005, 1215, 1809, 2649, 3015, 4415, 5427, 7947, 9045, 13245, 16281, 23841, 27135, 39735, 59161, 71523, 81405, 119205, 177483, 214569, 295805, 357615, 532449, 887415, 1072845, 1597347, 2662245, 4792041, 7986735, 14376123, 23960205, 71880615]

約数ペア:

[(1, 71880615), (3, 23960205), (5, 14376123), (9, 7986735), (15, 4792041), (27, 2662245), (45, 1597347), (67, 1072845), (81, 887415), (135, 532449), (201, 357615), (243, 295805), (335, 214569), (405, 177483), (603, 119205), (883, 81405), (1005, 71523), (1215, 59161), (1809, 39735), (2649, 27135), (3015, 23841), (4415, 16281), (5427, 13245), (7947, 9045)]