277997979

素因数分解:

$3^1\times 7^1\times {\mathrm{3203}}^1\times {\mathrm{4133}}^1$

素因数の和:7346

約数の個数: 16

約数和(自身を含む): 423850752

約数和(自身を除く): 145852773

約数列:

[1, 3, 7, 21, 3203, 4133, 9609, 12399, 22421, 28931, 67263, 86793, 13237999, 39713997, 92665993, 277997979]

約数ペア:

[(1, 277997979), (3, 92665993), (7, 39713997), (21, 13237999), (3203, 86793), (4133, 67263), (9609, 28931), (12399, 22421)]