42990915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{260551}}^1$

素因数の和:260570

約数の個数: 16

約数和(自身を含む): 75038976

約数和(自身を除く): 32048061

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 260551, 781653, 1302755, 2866061, 3908265, 8598183, 14330305, 42990915]

約数ペア:

[(1, 42990915), (3, 14330305), (5, 8598183), (11, 3908265), (15, 2866061), (33, 1302755), (55, 781653), (165, 260551)]