61557525

素因数分解:

$3^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2150

約数の個数: 36

約数和(自身を含む): 111116772

約数和(自身を除く): 49559247

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 137, 225, 411, 685, 1233, 1997, 2055, 3425, 5991, 6165, 9985, 10275, 17973, 29955, 30825, 49925, 89865, 149775, 273589, 449325, 820767, 1367945, 2462301, 4103835, 6839725, 12311505, 20519175, 61557525]

約数ペア:

[(1, 61557525), (3, 20519175), (5, 12311505), (9, 6839725), (15, 4103835), (25, 2462301), (45, 1367945), (75, 820767), (137, 449325), (225, 273589), (411, 149775), (685, 89865), (1233, 49925), (1997, 30825), (2055, 29955), (3425, 17973), (5991, 10275), (6165, 9985)]