55040475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 112211568

約数和(自身を除く): 57171093

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 75, 85, 105, 119, 147, 175, 245, 255, 357, 425, 525, 595, 735, 833, 881, 1225, 1275, 1785, 2499, 2643, 2975, 3675, 4165, 4405, 6167, 8925, 12495, 13215, 14977, 18501, 20825, 22025, 30835, 43169, 44931, 62475, 66075, 74885, 92505, 104839, 129507, 154175, 215845, 224655, 314517, 374425, 462525, 524195, 647535, 733873, 1079225, 1123275, 1572585, 2201619, 2620975, 3237675, 3669365, 7862925, 11008095, 18346825, 55040475]

約数ペア:

[(1, 55040475), (3, 18346825), (5, 11008095), (7, 7862925), (15, 3669365), (17, 3237675), (21, 2620975), (25, 2201619), (35, 1572585), (49, 1123275), (51, 1079225), (75, 733873), (85, 647535), (105, 524195), (119, 462525), (147, 374425), (175, 314517), (245, 224655), (255, 215845), (357, 154175), (425, 129507), (525, 104839), (595, 92505), (735, 74885), (833, 66075), (881, 62475), (1225, 44931), (1275, 43169), (1785, 30835), (2499, 22025), (2643, 20825), (2975, 18501), (3675, 14977), (4165, 13215), (4405, 12495), (6167, 8925)]