12171115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{613}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 16843248

約数和(自身を除く): 4672133

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 613, 1045, 1805, 3065, 3971, 6743, 11647, 19855, 33715, 58235, 128117, 221293, 640585, 1106465, 2434223, 12171115]

約数ペア:

[(1, 12171115), (5, 2434223), (11, 1106465), (19, 640585), (55, 221293), (95, 128117), (209, 58235), (361, 33715), (613, 19855), (1045, 11647), (1805, 6743), (3065, 3971)]