78443775

素因数分解:

$3^3\times 5^2\times {\mathrm{251}}^1\times {\mathrm{463}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 144990720

約数和(自身を除く): 66546945

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 251, 463, 675, 753, 1255, 1389, 2259, 2315, 3765, 4167, 6275, 6777, 6945, 11295, 11575, 12501, 18825, 20835, 33885, 34725, 56475, 62505, 104175, 116213, 169425, 312525, 348639, 581065, 1045917, 1743195, 2905325, 3137751, 5229585, 8715975, 15688755, 26147925, 78443775]

約数ペア:

[(1, 78443775), (3, 26147925), (5, 15688755), (9, 8715975), (15, 5229585), (25, 3137751), (27, 2905325), (45, 1743195), (75, 1045917), (135, 581065), (225, 348639), (251, 312525), (463, 169425), (675, 116213), (753, 104175), (1255, 62505), (1389, 56475), (2259, 34725), (2315, 33885), (3765, 20835), (4167, 18825), (6275, 12501), (6777, 11575), (6945, 11295)]