213907995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1613}}^1$

素因数の和:2052

約数の個数: 48

約数和(自身を含む): 425011392

約数和(自身を除く): 211103397

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 421, 1263, 1613, 2105, 2947, 3789, 4839, 6315, 8065, 8841, 11291, 14517, 14735, 18945, 24195, 26523, 33873, 44205, 56455, 72585, 101619, 132615, 169365, 508095, 679073, 2037219, 3395365, 4753511, 6111657, 10186095, 14260533, 23767555, 30558285, 42781599, 71302665, 213907995]

約数ペア:

[(1, 213907995), (3, 71302665), (5, 42781599), (7, 30558285), (9, 23767555), (15, 14260533), (21, 10186095), (35, 6111657), (45, 4753511), (63, 3395365), (105, 2037219), (315, 679073), (421, 508095), (1263, 169365), (1613, 132615), (2105, 101619), (2947, 72585), (3789, 56455), (4839, 44205), (6315, 33873), (8065, 26523), (8841, 24195), (11291, 18945), (14517, 14735)]