29979963

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:497

約数の個数: 40

約数和(自身を含む): 49031136

約数和(自身を除く): 19051173

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 213, 351, 401, 639, 923, 1053, 1203, 1917, 2769, 3609, 5213, 5751, 8307, 10827, 15639, 24921, 28471, 32481, 46917, 74763, 85413, 140751, 256239, 370123, 422253, 768717, 1110369, 2306151, 3331107, 9993321, 29979963]

約数ペア:

[(1, 29979963), (3, 9993321), (9, 3331107), (13, 2306151), (27, 1110369), (39, 768717), (71, 422253), (81, 370123), (117, 256239), (213, 140751), (351, 85413), (401, 74763), (639, 46917), (923, 32481), (1053, 28471), (1203, 24921), (1917, 15639), (2769, 10827), (3609, 8307), (5213, 5751)]