248521725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1511}}^1$

素因数の和:1587

約数の個数: 72

約数和(自身を含む): 482594112

約数和(自身を除く): 234072387

約数列:

[1, 3, 5, 9, 15, 17, 25, 43, 45, 51, 75, 85, 129, 153, 215, 225, 255, 387, 425, 645, 731, 765, 1075, 1275, 1511, 1935, 2193, 3225, 3655, 3825, 4533, 6579, 7555, 9675, 10965, 13599, 18275, 22665, 25687, 32895, 37775, 54825, 64973, 67995, 77061, 113325, 128435, 164475, 194919, 231183, 324865, 339975, 385305, 584757, 642175, 974595, 1104541, 1155915, 1624325, 1926525, 2923785, 3313623, 4872975, 5522705, 5779575, 9940869, 14618925, 16568115, 27613525, 49704345, 82840575, 248521725]

約数ペア:

[(1, 248521725), (3, 82840575), (5, 49704345), (9, 27613525), (15, 16568115), (17, 14618925), (25, 9940869), (43, 5779575), (45, 5522705), (51, 4872975), (75, 3313623), (85, 2923785), (129, 1926525), (153, 1624325), (215, 1155915), (225, 1104541), (255, 974595), (387, 642175), (425, 584757), (645, 385305), (731, 339975), (765, 324865), (1075, 231183), (1275, 194919), (1511, 164475), (1935, 128435), (2193, 113325), (3225, 77061), (3655, 67995), (3825, 64973), (4533, 54825), (6579, 37775), (7555, 32895), (9675, 25687), (10965, 22665), (13599, 18275)]