30697947

素因数分解:

$3^5\times 7^1\times {\mathrm{18047}}^1$

素因数の和:18069

約数の個数: 24

約数和(自身を含む): 52555776

約数和(自身を除く): 21857829

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 18047, 54141, 126329, 162423, 378987, 487269, 1136961, 1461807, 3410883, 4385421, 10232649, 30697947]

約数ペア:

[(1, 30697947), (3, 10232649), (7, 4385421), (9, 3410883), (21, 1461807), (27, 1136961), (63, 487269), (81, 378987), (189, 162423), (243, 126329), (567, 54141), (1701, 18047)]