12959919

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 23412480

約数和(自身を除く): 10452561

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 401, 513, 567, 1197, 1203, 1539, 1701, 2807, 3591, 3609, 4617, 7619, 8421, 10773, 10827, 22857, 25263, 32319, 32481, 53333, 68571, 75789, 97443, 159999, 205713, 227367, 479997, 617139, 682101, 1439991, 1851417, 4319973, 12959919]

約数ペア:

[(1, 12959919), (3, 4319973), (7, 1851417), (9, 1439991), (19, 682101), (21, 617139), (27, 479997), (57, 227367), (63, 205713), (81, 159999), (133, 97443), (171, 75789), (189, 68571), (243, 53333), (399, 32481), (401, 32319), (513, 25263), (567, 22857), (1197, 10827), (1203, 10773), (1539, 8421), (1701, 7619), (2807, 4617), (3591, 3609)]