66921795

素因数分解:

$3^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{443}}^1$

素因数の和:833

約数の個数: 40

約数和(自身を含む): 120556656

約数和(自身を除く): 53634861

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 373, 405, 443, 1119, 1329, 1865, 2215, 3357, 3987, 5595, 6645, 10071, 11961, 16785, 19935, 30213, 35883, 50355, 59805, 151065, 165239, 179415, 495717, 826195, 1487151, 2478585, 4461453, 7435755, 13384359, 22307265, 66921795]

約数ペア:

[(1, 66921795), (3, 22307265), (5, 13384359), (9, 7435755), (15, 4461453), (27, 2478585), (45, 1487151), (81, 826195), (135, 495717), (373, 179415), (405, 165239), (443, 151065), (1119, 59805), (1329, 50355), (1865, 35883), (2215, 30213), (3357, 19935), (3987, 16785), (5595, 11961), (6645, 10071)]