256466136717

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{66735919}}^1$

素因数の和:66735993

約数の個数: 24

約数和(自身を含む): 430313212160

約数和(自身を除く): 173847075443

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 66735919, 200207757, 467151433, 600623271, 1401454299, 4070891059, 4204362897, 12212673177, 28496237413, 36638019531, 85488712239, 256466136717]

約数ペア:

[(1, 256466136717), (3, 85488712239), (7, 36638019531), (9, 28496237413), (21, 12212673177), (61, 4204362897), (63, 4070891059), (183, 1401454299), (427, 600623271), (549, 467151433), (1281, 200207757), (3843, 66735919)]