8438241

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 13214880

約数和(自身を除く): 4776639

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 419, 959, 1257, 2877, 2933, 6713, 8799, 20139, 20531, 57403, 61593, 172209, 401821, 1205463, 2812747, 8438241]

約数ペア:

[(1, 8438241), (3, 2812747), (7, 1205463), (21, 401821), (49, 172209), (137, 61593), (147, 57403), (411, 20531), (419, 20139), (959, 8799), (1257, 6713), (2877, 2933)]