24988725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 48746880

約数和(自身を除く): 23758155

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 47, 51, 75, 85, 139, 141, 153, 225, 235, 255, 417, 423, 425, 695, 705, 765, 799, 1175, 1251, 1275, 2085, 2115, 2363, 2397, 3475, 3525, 3825, 3995, 6255, 6533, 7089, 7191, 10425, 10575, 11815, 11985, 19599, 19975, 21267, 31275, 32665, 35445, 35955, 58797, 59075, 59925, 97995, 106335, 111061, 163325, 177225, 179775, 293985, 333183, 489975, 531675, 555305, 999549, 1469925, 1665915, 2776525, 4997745, 8329575, 24988725]

約数ペア:

[(1, 24988725), (3, 8329575), (5, 4997745), (9, 2776525), (15, 1665915), (17, 1469925), (25, 999549), (45, 555305), (47, 531675), (51, 489975), (75, 333183), (85, 293985), (139, 179775), (141, 177225), (153, 163325), (225, 111061), (235, 106335), (255, 97995), (417, 59925), (423, 59075), (425, 58797), (695, 35955), (705, 35445), (765, 32665), (799, 31275), (1175, 21267), (1251, 19975), (1275, 19599), (2085, 11985), (2115, 11815), (2363, 10575), (2397, 10425), (3475, 7191), (3525, 7089), (3825, 6533), (3995, 6255)]