778857417

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{2218967}}^1$

素因数の和:2218989

約数の個数: 16

約数和(自身を含む): 1242622080

約数和(自身を除く): 463764663

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 2218967, 6656901, 19970703, 28846571, 59912109, 86539713, 259619139, 778857417]

約数ペア:

[(1, 778857417), (3, 259619139), (9, 86539713), (13, 59912109), (27, 28846571), (39, 19970703), (117, 6656901), (351, 2218967)]