13617981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 21315840

約数和(自身を除く): 7697859

約数列:

[1, 3, 9, 13, 39, 117, 239, 487, 717, 1461, 2151, 3107, 4383, 6331, 9321, 18993, 27963, 56979, 116393, 349179, 1047537, 1513109, 4539327, 13617981]

約数ペア:

[(1, 13617981), (3, 4539327), (9, 1513109), (13, 1047537), (39, 349179), (117, 116393), (239, 56979), (487, 27963), (717, 18993), (1461, 9321), (2151, 6331), (3107, 4383)]