28316325

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 49639680

約数和(自身を除く): 21323355

約数列:

[1, 3, 5, 15, 25, 29, 47, 75, 87, 141, 145, 235, 277, 435, 705, 725, 831, 1175, 1363, 1385, 2175, 3525, 4089, 4155, 6815, 6925, 8033, 13019, 20445, 20775, 24099, 34075, 39057, 40165, 65095, 102225, 120495, 195285, 200825, 325475, 377551, 602475, 976425, 1132653, 1887755, 5663265, 9438775, 28316325]

約数ペア:

[(1, 28316325), (3, 9438775), (5, 5663265), (15, 1887755), (25, 1132653), (29, 976425), (47, 602475), (75, 377551), (87, 325475), (141, 200825), (145, 195285), (235, 120495), (277, 102225), (435, 65095), (705, 40165), (725, 39057), (831, 34075), (1175, 24099), (1363, 20775), (1385, 20445), (2175, 13019), (3525, 8033), (4089, 6925), (4155, 6815)]