220967565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{161881}}^1$

素因数の和:161909

約数の個数: 32

約数和(自身を含む): 435138816

約数和(自身を除く): 214171251

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 161881, 485643, 809405, 1133167, 2104453, 2428215, 3399501, 5665835, 6313359, 10522265, 14731171, 16997505, 31566795, 44193513, 73655855, 220967565]

約数ペア:

[(1, 220967565), (3, 73655855), (5, 44193513), (7, 31566795), (13, 16997505), (15, 14731171), (21, 10522265), (35, 6313359), (39, 5665835), (65, 3399501), (91, 2428215), (105, 2104453), (195, 1133167), (273, 809405), (455, 485643), (1365, 161881)]