142447977

素因数分解:

$3^4\times 7^1\times {\mathrm{251231}}^1$

素因数の和:251250

約数の個数: 20

約数和(自身を含む): 243192576

約数和(自身を除く): 100744599

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 251231, 753693, 1758617, 2261079, 5275851, 6783237, 15827553, 20349711, 47482659, 142447977]

約数ペア:

[(1, 142447977), (3, 47482659), (7, 20349711), (9, 15827553), (21, 6783237), (27, 5275851), (63, 2261079), (81, 1758617), (189, 753693), (567, 251231)]