18307725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 32622912

約数和(自身を除く): 14315187

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 83, 85, 173, 249, 255, 415, 425, 519, 865, 1245, 1275, 1411, 2075, 2595, 2941, 4233, 4325, 6225, 7055, 8823, 12975, 14359, 14705, 21165, 35275, 43077, 44115, 71795, 73525, 105825, 215385, 220575, 244103, 358975, 732309, 1076925, 1220515, 3661545, 6102575, 18307725]

約数ペア:

[(1, 18307725), (3, 6102575), (5, 3661545), (15, 1220515), (17, 1076925), (25, 732309), (51, 358975), (75, 244103), (83, 220575), (85, 215385), (173, 105825), (249, 73525), (255, 71795), (415, 44115), (425, 43077), (519, 35275), (865, 21165), (1245, 14705), (1275, 14359), (1411, 12975), (2075, 8823), (2595, 7055), (2941, 6225), (4233, 4325)]