13420155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5557}}^1$

素因数の和:5595

約数の個数: 32

約数和(自身を含む): 25611264

約数和(自身を除く): 12191109

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 5557, 16671, 27785, 38899, 83355, 116697, 127811, 194495, 383433, 583485, 639055, 894677, 1917165, 2684031, 4473385, 13420155]

約数ペア:

[(1, 13420155), (3, 4473385), (5, 2684031), (7, 1917165), (15, 894677), (21, 639055), (23, 583485), (35, 383433), (69, 194495), (105, 127811), (115, 116697), (161, 83355), (345, 38899), (483, 27785), (805, 16671), (2415, 5557)]