509969313

素因数分解:

$3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{73}}^2$

素因数の和:204

約数の個数: 72

約数和(自身を含む): 899059200

約数和(自身を除く): 389089887

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 73, 93, 147, 217, 219, 279, 343, 441, 511, 651, 657, 1029, 1519, 1533, 1953, 2263, 3087, 3577, 4557, 4599, 5329, 6789, 10633, 10731, 13671, 15841, 15987, 20367, 25039, 31899, 32193, 37303, 47523, 47961, 75117, 95697, 110887, 111909, 142569, 165199, 225351, 261121, 332661, 335727, 495597, 776209, 783363, 997983, 1156393, 1486791, 1827847, 2328627, 2350089, 3469179, 5483541, 6985881, 8094751, 10407537, 16450623, 24284253, 56663257, 72852759, 169989771, 509969313]

約数ペア:

[(1, 509969313), (3, 169989771), (7, 72852759), (9, 56663257), (21, 24284253), (31, 16450623), (49, 10407537), (63, 8094751), (73, 6985881), (93, 5483541), (147, 3469179), (217, 2350089), (219, 2328627), (279, 1827847), (343, 1486791), (441, 1156393), (511, 997983), (651, 783363), (657, 776209), (1029, 495597), (1519, 335727), (1533, 332661), (1953, 261121), (2263, 225351), (3087, 165199), (3577, 142569), (4557, 111909), (4599, 110887), (5329, 95697), (6789, 75117), (10633, 47961), (10731, 47523), (13671, 37303), (15841, 32193), (15987, 31899), (20367, 25039)]