30980637

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{5387}}^1$

素因数の和:5470

約数の個数: 20

約数和(自身を含む): 46940256

約数和(自身を除く): 15959619

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5387, 5751, 16161, 48483, 145449, 382477, 436347, 1147431, 3442293, 10326879, 30980637]

約数ペア:

[(1, 30980637), (3, 10326879), (9, 3442293), (27, 1147431), (71, 436347), (81, 382477), (213, 145449), (639, 48483), (1917, 16161), (5387, 5751)]