977156925

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1987}}^1$

素因数の和:2162

約数の個数: 48

約数和(自身を含む): 1656560640

約数和(自身を除く): 679403715

約数列:

[1, 3, 5, 15, 25, 75, 79, 83, 237, 249, 395, 415, 1185, 1245, 1975, 1987, 2075, 5925, 5961, 6225, 6557, 9935, 19671, 29805, 32785, 49675, 98355, 149025, 156973, 163925, 164921, 470919, 491775, 494763, 784865, 824605, 2354595, 2473815, 3924325, 4123025, 11772975, 12369075, 13028759, 39086277, 65143795, 195431385, 325718975, 977156925]

約数ペア:

[(1, 977156925), (3, 325718975), (5, 195431385), (15, 65143795), (25, 39086277), (75, 13028759), (79, 12369075), (83, 11772975), (237, 4123025), (249, 3924325), (395, 2473815), (415, 2354595), (1185, 824605), (1245, 784865), (1975, 494763), (1987, 491775), (2075, 470919), (5925, 164921), (5961, 163925), (6225, 156973), (6557, 149025), (9935, 98355), (19671, 49675), (29805, 32785)]