26817765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 47433600

約数和(自身を除く): 20615835

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 149, 169, 195, 213, 355, 447, 507, 745, 845, 923, 1065, 1937, 2235, 2535, 2769, 4615, 5811, 9685, 10579, 11999, 13845, 25181, 29055, 31737, 35997, 52895, 59995, 75543, 125905, 137527, 158685, 179985, 377715, 412581, 687635, 1787851, 2062905, 5363553, 8939255, 26817765]

約数ペア:

[(1, 26817765), (3, 8939255), (5, 5363553), (13, 2062905), (15, 1787851), (39, 687635), (65, 412581), (71, 377715), (149, 179985), (169, 158685), (195, 137527), (213, 125905), (355, 75543), (447, 59995), (507, 52895), (745, 35997), (845, 31737), (923, 29055), (1065, 25181), (1937, 13845), (2235, 11999), (2535, 10579), (2769, 9685), (4615, 5811)]