28399455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1013}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 56946240

約数和(自身を除く): 28546785

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 89, 105, 267, 315, 445, 623, 801, 1013, 1335, 1869, 3039, 3115, 4005, 5065, 5607, 7091, 9117, 9345, 15195, 21273, 28035, 35455, 45585, 63819, 90157, 106365, 270471, 319095, 450785, 631099, 811413, 1352355, 1893297, 3155495, 4057065, 5679891, 9466485, 28399455]

約数ペア:

[(1, 28399455), (3, 9466485), (5, 5679891), (7, 4057065), (9, 3155495), (15, 1893297), (21, 1352355), (35, 811413), (45, 631099), (63, 450785), (89, 319095), (105, 270471), (267, 106365), (315, 90157), (445, 63819), (623, 45585), (801, 35455), (1013, 28035), (1335, 21273), (1869, 15195), (3039, 9345), (3115, 9117), (4005, 7091), (5065, 5607)]