81906012

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 221312000

約数和(自身を除く): 139405988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 103, 108, 111, 148, 199, 206, 222, 309, 333, 398, 412, 444, 597, 618, 666, 796, 927, 999, 1194, 1236, 1332, 1791, 1854, 1998, 2388, 2781, 3582, 3708, 3811, 3996, 5373, 5562, 7164, 7363, 7622, 10746, 11124, 11433, 14726, 15244, 20497, 21492, 22089, 22866, 29452, 34299, 40994, 44178, 45732, 61491, 66267, 68598, 81988, 88356, 102897, 122982, 132534, 137196, 184473, 198801, 205794, 245964, 265068, 368946, 397602, 411588, 553419, 737892, 758389, 795204, 1106838, 1516778, 2213676, 2275167, 3033556, 4550334, 6825501, 9100668, 13651002, 20476503, 27302004, 40953006, 81906012]

約数ペア:

[(1, 81906012), (2, 40953006), (3, 27302004), (4, 20476503), (6, 13651002), (9, 9100668), (12, 6825501), (18, 4550334), (27, 3033556), (36, 2275167), (37, 2213676), (54, 1516778), (74, 1106838), (103, 795204), (108, 758389), (111, 737892), (148, 553419), (199, 411588), (206, 397602), (222, 368946), (309, 265068), (333, 245964), (398, 205794), (412, 198801), (444, 184473), (597, 137196), (618, 132534), (666, 122982), (796, 102897), (927, 88356), (999, 81988), (1194, 68598), (1236, 66267), (1332, 61491), (1791, 45732), (1854, 44178), (1998, 40994), (2388, 34299), (2781, 29452), (3582, 22866), (3708, 22089), (3811, 21492), (3996, 20497), (5373, 15244), (5562, 14726), (7164, 11433), (7363, 11124), (7622, 10746)]