740220957

素因数分解:

$3^3\times 7^1\times {\mathrm{643}}^1\times {\mathrm{6091}}^1$

素因数の和:6750

約数の個数: 32

約数和(自身を含む): 1255439360

約数和(自身を除く): 515218403

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 643, 1929, 4501, 5787, 6091, 13503, 17361, 18273, 40509, 42637, 54819, 121527, 127911, 164457, 383733, 1151199, 3916513, 11749539, 27415591, 35248617, 82246773, 105745851, 246740319, 740220957]

約数ペア:

[(1, 740220957), (3, 246740319), (7, 105745851), (9, 82246773), (21, 35248617), (27, 27415591), (63, 11749539), (189, 3916513), (643, 1151199), (1929, 383733), (4501, 164457), (5787, 127911), (6091, 121527), (13503, 54819), (17361, 42637), (18273, 40509)]