4043925

素因数分解:

$3^4\times 5^2\times {\mathrm{1997}}^1$

素因数の和:2019

約数の個数: 30

約数和(自身を含む): 7494498

約数和(自身を除く): 3450573

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 1997, 2025, 5991, 9985, 17973, 29955, 49925, 53919, 89865, 149775, 161757, 269595, 449325, 808785, 1347975, 4043925]

約数ペア:

[(1, 4043925), (3, 1347975), (5, 808785), (9, 449325), (15, 269595), (25, 161757), (27, 149775), (45, 89865), (75, 53919), (81, 49925), (135, 29955), (225, 17973), (405, 9985), (675, 5991), (1997, 2025)]