39420945

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4787}}^1$

素因数の和:4862

約数の個数: 32

約数和(自身を含む): 71245440

約数和(自身を除く): 31824495

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 4787, 8235, 14361, 23935, 43083, 71805, 129249, 215415, 292007, 646245, 876021, 1460035, 2628063, 4380105, 7884189, 13140315, 39420945]

約数ペア:

[(1, 39420945), (3, 13140315), (5, 7884189), (9, 4380105), (15, 2628063), (27, 1460035), (45, 876021), (61, 646245), (135, 292007), (183, 215415), (305, 129249), (549, 71805), (915, 43083), (1647, 23935), (2745, 14361), (4787, 8235)]