818309025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{613}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 1558884600

約数和(自身を除く): 740575575

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 349, 425, 613, 765, 1047, 1275, 1745, 1839, 3065, 3141, 3825, 5235, 5517, 5933, 8725, 9195, 10421, 15325, 15705, 17799, 26175, 27585, 29665, 31263, 45975, 52105, 53397, 78525, 88995, 93789, 137925, 148325, 156315, 213937, 260525, 266985, 444975, 468945, 641811, 781575, 1069685, 1334925, 1925433, 2344725, 3209055, 3636929, 5348425, 9627165, 10910787, 16045275, 18184645, 32732361, 48135825, 54553935, 90923225, 163661805, 272769675, 818309025]

約数ペア:

[(1, 818309025), (3, 272769675), (5, 163661805), (9, 90923225), (15, 54553935), (17, 48135825), (25, 32732361), (45, 18184645), (51, 16045275), (75, 10910787), (85, 9627165), (153, 5348425), (225, 3636929), (255, 3209055), (349, 2344725), (425, 1925433), (613, 1334925), (765, 1069685), (1047, 781575), (1275, 641811), (1745, 468945), (1839, 444975), (3065, 266985), (3141, 260525), (3825, 213937), (5235, 156315), (5517, 148325), (5933, 137925), (8725, 93789), (9195, 88995), (10421, 78525), (15325, 53397), (15705, 52105), (17799, 45975), (26175, 31263), (27585, 29665)]