12391725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{9719}}^1$

素因数の和:9749

約数の個数: 24

約数和(自身を含む): 21695040

約数和(自身を除く): 9303315

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 9719, 29157, 48595, 145785, 165223, 242975, 495669, 728925, 826115, 2478345, 4130575, 12391725]

約数ペア:

[(1, 12391725), (3, 4130575), (5, 2478345), (15, 826115), (17, 728925), (25, 495669), (51, 242975), (75, 165223), (85, 145785), (255, 48595), (425, 29157), (1275, 9719)]