30117987

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{5237}}^1$

素因数の和:5320

約数の個数: 20

約数和(自身を含む): 45633456

約数和(自身を除く): 15515469

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5237, 5751, 15711, 47133, 141399, 371827, 424197, 1115481, 3346443, 10039329, 30117987]

約数ペア:

[(1, 30117987), (3, 10039329), (9, 3346443), (27, 1115481), (71, 424197), (81, 371827), (213, 141399), (639, 47133), (1917, 15711), (5237, 5751)]