2851811613

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{619}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 4969086720

約数和(自身を除く): 2117275107

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 337, 441, 619, 651, 1011, 1519, 1857, 1953, 2359, 3033, 4333, 4557, 5571, 7077, 10447, 12999, 13671, 16513, 19189, 21231, 30331, 31341, 38997, 49539, 57567, 73129, 90993, 94023, 134323, 148617, 172701, 208603, 219387, 272979, 402969, 511903, 625809, 658161, 940261, 1208907, 1460221, 1535709, 1877427, 2820783, 4380663, 4607127, 6466693, 8462349, 10221547, 13141989, 19400079, 30664641, 45266851, 58200237, 91993923, 135800553, 316867957, 407401659, 950603871, 2851811613]

約数ペア:

[(1, 2851811613), (3, 950603871), (7, 407401659), (9, 316867957), (21, 135800553), (31, 91993923), (49, 58200237), (63, 45266851), (93, 30664641), (147, 19400079), (217, 13141989), (279, 10221547), (337, 8462349), (441, 6466693), (619, 4607127), (651, 4380663), (1011, 2820783), (1519, 1877427), (1857, 1535709), (1953, 1460221), (2359, 1208907), (3033, 940261), (4333, 658161), (4557, 625809), (5571, 511903), (7077, 402969), (10447, 272979), (12999, 219387), (13671, 208603), (16513, 172701), (19189, 148617), (21231, 134323), (30331, 94023), (31341, 90993), (38997, 73129), (49539, 57567)]