1218445053

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3053747}}^1$

素因数の和:3053776

約数の個数: 16

約数和(自身を含む): 1954398720

約数和(自身を除く): 735953667

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 3053747, 9161241, 21376229, 58021193, 64128687, 174063579, 406148351, 1218445053]

約数ペア:

[(1, 1218445053), (3, 406148351), (7, 174063579), (19, 64128687), (21, 58021193), (57, 21376229), (133, 9161241), (399, 3053747)]