189521025

素因数分解:

$3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 320812800

約数和(自身を除く): 131291775

約数列:

[1, 3, 5, 15, 25, 75, 97, 109, 239, 291, 327, 485, 545, 717, 1195, 1455, 1635, 2425, 2725, 3585, 5975, 7275, 8175, 10573, 17925, 23183, 26051, 31719, 52865, 69549, 78153, 115915, 130255, 158595, 264325, 347745, 390765, 579575, 651275, 792975, 1738725, 1953825, 2526947, 7580841, 12634735, 37904205, 63173675, 189521025]

約数ペア:

[(1, 189521025), (3, 63173675), (5, 37904205), (15, 12634735), (25, 7580841), (75, 2526947), (97, 1953825), (109, 1738725), (239, 792975), (291, 651275), (327, 579575), (485, 390765), (545, 347745), (717, 264325), (1195, 158595), (1455, 130255), (1635, 115915), (2425, 78153), (2725, 69549), (3585, 52865), (5975, 31719), (7275, 26051), (8175, 23183), (10573, 17925)]