78385215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{3169}}^1$

素因数の和:3291

約数の個数: 32

約数和(自身を含む): 134205120

約数和(自身を除く): 55819905

約数列:

[1, 3, 5, 15, 17, 51, 85, 97, 255, 291, 485, 1455, 1649, 3169, 4947, 8245, 9507, 15845, 24735, 47535, 53873, 161619, 269365, 307393, 808095, 922179, 1536965, 4610895, 5225681, 15677043, 26128405, 78385215]

約数ペア:

[(1, 78385215), (3, 26128405), (5, 15677043), (15, 5225681), (17, 4610895), (51, 1536965), (85, 922179), (97, 808095), (255, 307393), (291, 269365), (485, 161619), (1455, 53873), (1649, 47535), (3169, 24735), (4947, 15845), (8245, 9507)]