16216215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3347}}^1$

素因数の和:3391

約数の個数: 32

約数和(自身を含む): 28926720

約数和(自身を除く): 12710505

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 3347, 4845, 10041, 16735, 50205, 56899, 63593, 170697, 190779, 284495, 317965, 853485, 953895, 1081081, 3243243, 5405405, 16216215]

約数ペア:

[(1, 16216215), (3, 5405405), (5, 3243243), (15, 1081081), (17, 953895), (19, 853485), (51, 317965), (57, 284495), (85, 190779), (95, 170697), (255, 63593), (285, 56899), (323, 50205), (969, 16735), (1615, 10041), (3347, 4845)]