194999571

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 330774080

約数和(自身を除く): 135774509

約数列:

[1, 3, 9, 13, 17, 39, 51, 73, 79, 117, 153, 219, 221, 237, 289, 657, 663, 711, 867, 949, 1027, 1241, 1343, 1989, 2601, 2847, 3081, 3723, 3757, 4029, 5767, 8541, 9243, 11169, 11271, 12087, 16133, 17301, 17459, 21097, 22831, 33813, 48399, 51903, 52377, 63291, 68493, 74971, 98039, 145197, 157131, 189873, 205479, 224913, 274261, 294117, 296803, 674739, 822783, 882351, 890409, 1274507, 1666663, 2468349, 2671227, 3823521, 4999989, 11470563, 14999967, 21666619, 64999857, 194999571]

約数ペア:

[(1, 194999571), (3, 64999857), (9, 21666619), (13, 14999967), (17, 11470563), (39, 4999989), (51, 3823521), (73, 2671227), (79, 2468349), (117, 1666663), (153, 1274507), (219, 890409), (221, 882351), (237, 822783), (289, 674739), (657, 296803), (663, 294117), (711, 274261), (867, 224913), (949, 205479), (1027, 189873), (1241, 157131), (1343, 145197), (1989, 98039), (2601, 74971), (2847, 68493), (3081, 63291), (3723, 52377), (3757, 51903), (4029, 48399), (5767, 33813), (8541, 22831), (9243, 21097), (11169, 17459), (11271, 17301), (12087, 16133)]