204112875

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{137}}^2$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 353939040

約数和(自身を除く): 149826165

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 137, 145, 375, 411, 435, 685, 725, 2055, 2175, 3425, 3625, 3973, 10275, 10875, 11919, 17125, 18769, 19865, 51375, 56307, 59595, 93845, 99325, 281535, 297975, 469225, 496625, 544301, 1407675, 1489875, 1632903, 2346125, 2721505, 7038375, 8164515, 13607525, 40822575, 68037625, 204112875]

約数ペア:

[(1, 204112875), (3, 68037625), (5, 40822575), (15, 13607525), (25, 8164515), (29, 7038375), (75, 2721505), (87, 2346125), (125, 1632903), (137, 1489875), (145, 1407675), (375, 544301), (411, 496625), (435, 469225), (685, 297975), (725, 281535), (2055, 99325), (2175, 93845), (3425, 59595), (3625, 56307), (3973, 51375), (10275, 19865), (10875, 18769), (11919, 17125)]