1550385

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 2718144

約数和(自身を除く): 1167759

約数列:

[1, 3, 5, 9, 15, 45, 131, 263, 393, 655, 789, 1179, 1315, 1965, 2367, 3945, 5895, 11835, 34453, 103359, 172265, 310077, 516795, 1550385]

約数ペア:

[(1, 1550385), (3, 516795), (5, 310077), (9, 172265), (15, 103359), (45, 34453), (131, 11835), (263, 5895), (393, 3945), (655, 2367), (789, 1965), (1179, 1315)]