258784113

素因数分解:

$3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{51133}}^1$

素因数の和:51384

約数の個数: 16

約数和(自身を含む): 395981696

約数和(自身を除く): 137197583

約数列:

[1, 3, 7, 21, 241, 723, 1687, 5061, 51133, 153399, 357931, 1073793, 12323053, 36969159, 86261371, 258784113]

約数ペア:

[(1, 258784113), (3, 86261371), (7, 36969159), (21, 12323053), (241, 1073793), (723, 357931), (1687, 153399), (5061, 51133)]