201866985

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12157}}^1$

素因数の和:12215

約数の個数: 40

約数和(自身を含む): 370721736

約数和(自身を除く): 168854751

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1845, 3321, 5535, 12157, 16605, 36471, 60785, 109413, 182355, 328239, 498437, 547065, 984717, 1495311, 1641195, 2492185, 4485933, 4923585, 7476555, 13457799, 22429665, 40373397, 67288995, 201866985]

約数ペア:

[(1, 201866985), (3, 67288995), (5, 40373397), (9, 22429665), (15, 13457799), (27, 7476555), (41, 4923585), (45, 4485933), (81, 2492185), (123, 1641195), (135, 1495311), (205, 984717), (369, 547065), (405, 498437), (615, 328239), (1107, 182355), (1845, 109413), (3321, 60785), (5535, 36471), (12157, 16605)]