217409145

素因数分解:

$3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{21221}}^1$

素因数の和:21912

約数の個数: 16

約数和(自身を含む): 348380352

約数和(自身を除く): 130971207

約数列:

[1, 3, 5, 15, 683, 2049, 3415, 10245, 21221, 63663, 106105, 318315, 14493943, 43481829, 72469715, 217409145]

約数ペア:

[(1, 217409145), (3, 72469715), (5, 43481829), (15, 14493943), (683, 318315), (2049, 106105), (3415, 63663), (10245, 21221)]