1681215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 3006720

約数和(自身を除く): 1325505

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 347, 969, 1041, 1615, 1735, 4845, 5205, 5899, 6593, 17697, 19779, 29495, 32965, 88485, 98895, 112081, 336243, 560405, 1681215]

約数ペア:

[(1, 1681215), (3, 560405), (5, 336243), (15, 112081), (17, 98895), (19, 88485), (51, 32965), (57, 29495), (85, 19779), (95, 17697), (255, 6593), (285, 5899), (323, 5205), (347, 4845), (969, 1735), (1041, 1615)]