28641075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 50592000

約数和(自身を除く): 21950925

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 101, 199, 285, 303, 475, 505, 597, 995, 1425, 1515, 1919, 2525, 2985, 3781, 4975, 5757, 7575, 9595, 11343, 14925, 18905, 20099, 28785, 47975, 56715, 60297, 94525, 100495, 143925, 283575, 301485, 381881, 502475, 1145643, 1507425, 1909405, 5728215, 9547025, 28641075]

約数ペア:

[(1, 28641075), (3, 9547025), (5, 5728215), (15, 1909405), (19, 1507425), (25, 1145643), (57, 502475), (75, 381881), (95, 301485), (101, 283575), (199, 143925), (285, 100495), (303, 94525), (475, 60297), (505, 56715), (597, 47975), (995, 28785), (1425, 20099), (1515, 18905), (1919, 14925), (2525, 11343), (2985, 9595), (3781, 7575), (4975, 5757)]