81619554

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{715961}}^1$

素因数の和:715985

約数の個数: 16

約数和(自身を含む): 171830880

約数和(自身を除く): 90211326

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 715961, 1431922, 2147883, 4295766, 13603259, 27206518, 40809777, 81619554]

約数ペア:

[(1, 81619554), (2, 40809777), (3, 27206518), (6, 13603259), (19, 4295766), (38, 2147883), (57, 1431922), (114, 715961)]