71669025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 139537944

約数和(自身を除く): 67868919

約数列:

[1, 3, 5, 9, 15, 17, 25, 41, 45, 51, 75, 85, 123, 153, 205, 225, 255, 369, 425, 457, 615, 697, 765, 1025, 1275, 1371, 1845, 2091, 2285, 3075, 3485, 3825, 4113, 6273, 6855, 7769, 9225, 10455, 11425, 17425, 18737, 20565, 23307, 31365, 34275, 38845, 52275, 56211, 69921, 93685, 102825, 116535, 156825, 168633, 194225, 281055, 318529, 349605, 468425, 582675, 843165, 955587, 1405275, 1592645, 1748025, 2866761, 4215825, 4777935, 7963225, 14333805, 23889675, 71669025]

約数ペア:

[(1, 71669025), (3, 23889675), (5, 14333805), (9, 7963225), (15, 4777935), (17, 4215825), (25, 2866761), (41, 1748025), (45, 1592645), (51, 1405275), (75, 955587), (85, 843165), (123, 582675), (153, 468425), (205, 349605), (225, 318529), (255, 281055), (369, 194225), (425, 168633), (457, 156825), (615, 116535), (697, 102825), (765, 93685), (1025, 69921), (1275, 56211), (1371, 52275), (1845, 38845), (2091, 34275), (2285, 31365), (3075, 23307), (3485, 20565), (3825, 18737), (4113, 17425), (6273, 11425), (6855, 10455), (7769, 9225)]