68647275

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 132138864

約数和(自身を除く): 63491589

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 131, 137, 153, 225, 255, 393, 411, 425, 655, 685, 765, 1179, 1233, 1275, 1965, 2055, 2227, 2329, 3275, 3425, 3825, 5895, 6165, 6681, 6987, 9825, 10275, 11135, 11645, 17947, 20043, 20961, 29475, 30825, 33405, 34935, 53841, 55675, 58225, 89735, 100215, 104805, 161523, 167025, 174675, 269205, 305099, 448675, 501075, 524025, 807615, 915297, 1346025, 1525495, 2745891, 4038075, 4576485, 7627475, 13729455, 22882425, 68647275]

約数ペア:

[(1, 68647275), (3, 22882425), (5, 13729455), (9, 7627475), (15, 4576485), (17, 4038075), (25, 2745891), (45, 1525495), (51, 1346025), (75, 915297), (85, 807615), (131, 524025), (137, 501075), (153, 448675), (225, 305099), (255, 269205), (393, 174675), (411, 167025), (425, 161523), (655, 104805), (685, 100215), (765, 89735), (1179, 58225), (1233, 55675), (1275, 53841), (1965, 34935), (2055, 33405), (2227, 30825), (2329, 29475), (3275, 20961), (3425, 20043), (3825, 17947), (5895, 11645), (6165, 11135), (6681, 10275), (6987, 9825)]