42721809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{1787}}^1$

素因数の和:2416

約数の個数: 16

約数和(自身を含む): 61478592

約数和(自身を除く): 18756783

約数列:

[1, 3, 13, 39, 613, 1787, 1839, 5361, 7969, 23231, 23907, 69693, 1095431, 3286293, 14240603, 42721809]

約数ペア:

[(1, 42721809), (3, 14240603), (13, 3286293), (39, 1095431), (613, 69693), (1787, 23907), (1839, 23231), (5361, 7969)]