42560427

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 74317824

約数和(自身を除く): 31757397

約数列:

[1, 3, 7, 13, 21, 31, 39, 47, 91, 93, 107, 141, 217, 273, 321, 329, 403, 611, 651, 749, 987, 1209, 1391, 1457, 1833, 2247, 2821, 3317, 4173, 4277, 4371, 5029, 8463, 9737, 9951, 10199, 12831, 15087, 18941, 23219, 29211, 30597, 35203, 43121, 56823, 65377, 69657, 105609, 129363, 132587, 155899, 196131, 301847, 397761, 457639, 467697, 905541, 1091293, 1372917, 2026687, 3273879, 6080061, 14186809, 42560427]

約数ペア:

[(1, 42560427), (3, 14186809), (7, 6080061), (13, 3273879), (21, 2026687), (31, 1372917), (39, 1091293), (47, 905541), (91, 467697), (93, 457639), (107, 397761), (141, 301847), (217, 196131), (273, 155899), (321, 132587), (329, 129363), (403, 105609), (611, 69657), (651, 65377), (749, 56823), (987, 43121), (1209, 35203), (1391, 30597), (1457, 29211), (1833, 23219), (2247, 18941), (2821, 15087), (3317, 12831), (4173, 10199), (4277, 9951), (4371, 9737), (5029, 8463)]