207975843

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{401}}^1$

素因数の和:769

約数の個数: 40

約数和(自身を含む): 328819920

約数和(自身を除く): 120844077

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 337, 401, 513, 1011, 1203, 1539, 3033, 3609, 6403, 7619, 9099, 10827, 19209, 22857, 27297, 32481, 57627, 68571, 135137, 172881, 205713, 405411, 518643, 617139, 1216233, 2567603, 3648699, 7702809, 10946097, 23108427, 69325281, 207975843]

約数ペア:

[(1, 207975843), (3, 69325281), (9, 23108427), (19, 10946097), (27, 7702809), (57, 3648699), (81, 2567603), (171, 1216233), (337, 617139), (401, 518643), (513, 405411), (1011, 205713), (1203, 172881), (1539, 135137), (3033, 68571), (3609, 57627), (6403, 32481), (7619, 27297), (9099, 22857), (10827, 19209)]