12408921

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 20577024

約数和(自身を除く): 8168103

約数列:

[1, 3, 7, 9, 21, 63, 431, 457, 1293, 1371, 3017, 3199, 3879, 4113, 9051, 9597, 27153, 28791, 196967, 590901, 1378769, 1772703, 4136307, 12408921]

約数ペア:

[(1, 12408921), (3, 4136307), (7, 1772703), (9, 1378769), (21, 590901), (63, 196967), (431, 28791), (457, 27153), (1293, 9597), (1371, 9051), (3017, 4113), (3199, 3879)]