19871115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{120431}}^1$

素因数の和:120450

約数の個数: 16

約数和(自身を含む): 34684416

約数和(自身を除く): 14813301

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 120431, 361293, 602155, 1324741, 1806465, 3974223, 6623705, 19871115]

約数ペア:

[(1, 19871115), (3, 6623705), (5, 3974223), (11, 1806465), (15, 1324741), (33, 602155), (55, 361293), (165, 120431)]