28645425

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{7489}}^1$

素因数の和:7522

約数の個数: 36

約数和(自身を含む): 54332460

約数和(自身を除く): 25687035

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 7489, 22467, 37445, 67401, 112335, 127313, 187225, 337005, 381939, 561675, 636565, 1145817, 1685025, 1909695, 3182825, 5729085, 9548475, 28645425]

約数ペア:

[(1, 28645425), (3, 9548475), (5, 5729085), (9, 3182825), (15, 1909695), (17, 1685025), (25, 1145817), (45, 636565), (51, 561675), (75, 381939), (85, 337005), (153, 187225), (225, 127313), (255, 112335), (425, 67401), (765, 37445), (1275, 22467), (3825, 7489)]