1816939701

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{571}}^1\times {\mathrm{1759}}^1$

素因数の和:2406

約数の個数: 32

約数和(自身を含む): 2738278400

約数和(自身を除く): 921338699

約数列:

[1, 3, 9, 27, 67, 201, 571, 603, 1713, 1759, 1809, 5139, 5277, 15417, 15831, 38257, 47493, 114771, 117853, 344313, 353559, 1004389, 1032939, 1060677, 3013167, 3182031, 9039501, 27118503, 67294063, 201882189, 605646567, 1816939701]

約数ペア:

[(1, 1816939701), (3, 605646567), (9, 201882189), (27, 67294063), (67, 27118503), (201, 9039501), (571, 3182031), (603, 3013167), (1713, 1060677), (1759, 1032939), (1809, 1004389), (5139, 353559), (5277, 344313), (15417, 117853), (15831, 114771), (38257, 47493)]