389432817

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{727}}^1\times {\mathrm{1123}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 574426944

約数和(自身を除く): 184994127

約数列:

[1, 3, 9, 53, 159, 477, 727, 1123, 2181, 3369, 6543, 10107, 38531, 59519, 115593, 178557, 346779, 535671, 816421, 2449263, 7347789, 43270313, 129810939, 389432817]

約数ペア:

[(1, 389432817), (3, 129810939), (9, 43270313), (53, 7347789), (159, 2449263), (477, 816421), (727, 535671), (1123, 346779), (2181, 178557), (3369, 115593), (6543, 59519), (10107, 38531)]