1155903

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2897}}^1$

素因数の和:2926

約数の個数: 16

約数和(自身を含む): 1854720

約数和(自身を除く): 698817

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2897, 8691, 20279, 55043, 60837, 165129, 385301, 1155903]

約数ペア:

[(1, 1155903), (3, 385301), (7, 165129), (19, 60837), (21, 55043), (57, 20279), (133, 8691), (399, 2897)]