2912291487

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{1087}}^1$

素因数の和:1209

約数の個数: 72

約数和(自身を含む): 5140721664

約数和(自身を除く): 2228430177

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 301, 387, 483, 903, 989, 1087, 1449, 1849, 2709, 2967, 3261, 5547, 6923, 7609, 8901, 9783, 12943, 16641, 20769, 22827, 25001, 38829, 42527, 46741, 62307, 68481, 75003, 116487, 127581, 140223, 175007, 225009, 297689, 327187, 382743, 420669, 525021, 893067, 981561, 1075043, 1575063, 2009863, 2679201, 2944683, 3225129, 6029589, 7525301, 9675387, 14069041, 18088767, 22575903, 42207123, 46226849, 67727709, 126621369, 138680547, 323587943, 416041641, 970763829, 2912291487]

約数ペア:

[(1, 2912291487), (3, 970763829), (7, 416041641), (9, 323587943), (21, 138680547), (23, 126621369), (43, 67727709), (63, 46226849), (69, 42207123), (129, 22575903), (161, 18088767), (207, 14069041), (301, 9675387), (387, 7525301), (483, 6029589), (903, 3225129), (989, 2944683), (1087, 2679201), (1449, 2009863), (1849, 1575063), (2709, 1075043), (2967, 981561), (3261, 893067), (5547, 525021), (6923, 420669), (7609, 382743), (8901, 327187), (9783, 297689), (12943, 225009), (16641, 175007), (20769, 140223), (22827, 127581), (25001, 116487), (38829, 75003), (42527, 68481), (46741, 62307)]