30721047

素因数分解:

$3^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{2371}}^1$

素因数の和:2998

約数の個数: 16

約数和(自身を含む): 46908672

約数和(自身を除く): 16187625

約数列:

[1, 3, 7, 21, 617, 1851, 2371, 4319, 7113, 12957, 16597, 49791, 1462907, 4388721, 10240349, 30721047]

約数ペア:

[(1, 30721047), (3, 10240349), (7, 4388721), (21, 1462907), (617, 49791), (1851, 16597), (2371, 12957), (4319, 7113)]