28469475

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{827}}^1$

素因数の和:866

約数の個数: 60

約数和(自身を含む): 55904904

約数和(自身を除く): 27435429

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 255, 405, 425, 459, 675, 765, 827, 1275, 1377, 2025, 2295, 2481, 3825, 4135, 6885, 7443, 11475, 12405, 14059, 20675, 22329, 34425, 37215, 42177, 62025, 66987, 70295, 111645, 126531, 186075, 210885, 334935, 351475, 379593, 558225, 632655, 1054425, 1138779, 1674675, 1897965, 3163275, 5693895, 9489825, 28469475]

約数ペア:

[(1, 28469475), (3, 9489825), (5, 5693895), (9, 3163275), (15, 1897965), (17, 1674675), (25, 1138779), (27, 1054425), (45, 632655), (51, 558225), (75, 379593), (81, 351475), (85, 334935), (135, 210885), (153, 186075), (225, 126531), (255, 111645), (405, 70295), (425, 66987), (459, 62025), (675, 42177), (765, 37215), (827, 34425), (1275, 22329), (1377, 20675), (2025, 14059), (2295, 12405), (2481, 11475), (3825, 7443), (4135, 6885)]