81458775

素因数分解:

$3^2\times 5^2\times {\mathrm{277}}^1\times {\mathrm{1307}}^1$

素因数の和:1600

約数の個数: 36

約数和(自身を含む): 146540472

約数和(自身を除く): 65081697

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 277, 831, 1307, 1385, 2493, 3921, 4155, 6535, 6925, 11763, 12465, 19605, 20775, 32675, 58815, 62325, 98025, 294075, 362039, 1086117, 1810195, 3258351, 5430585, 9050975, 16291755, 27152925, 81458775]

約数ペア:

[(1, 81458775), (3, 27152925), (5, 16291755), (9, 9050975), (15, 5430585), (25, 3258351), (45, 1810195), (75, 1086117), (225, 362039), (277, 294075), (831, 98025), (1307, 62325), (1385, 58815), (2493, 32675), (3921, 20775), (4155, 19605), (6535, 12465), (6925, 11763)]